Add m-esr52 at 52.6.0

201 files changed, 8411 insertions, 0 deletions

diff --git a/js/src/tests/js1_7/GC/browser.js b/js/src/tests/js1_7/GC/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/GC/browser.js
diff --git a/js/src/tests/js1_7/GC/regress-341675.js b/js/src/tests/js1_7/GC/regress-341675.js
new file mode 100644
index 000000000..5dc7086a2
--- /dev/null
+++ b/js/src/tests/js1_7/GC/regress-341675.js
@@ -0,0 +1,35 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 341675;
+var summary = 'Iterators: still infinite loop during GC';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+var globalToPokeGC = {};
+
+function generator()
+{
+  try {
+    yield [];
+  } finally {
+    make_iterator();
+  }
+}
+
+function make_iterator()
+{
+  var iter = generator();
+  iter.next();
+}
+
+make_iterator();
+gc();
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/GC/regress-381374.js b/js/src/tests/js1_7/GC/regress-381374.js
new file mode 100644
index 000000000..4ad86780c
--- /dev/null
+++ b/js/src/tests/js1_7/GC/regress-381374.js
@@ -0,0 +1,60 @@
+// |reftest| skip-if(Android)
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 381374;
+var summary = 'js_AddScopeProperty - overwrite property with watchpoint';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function huh()
+  {
+    var f;
+
+    Iterator; // ???
+
+    if (0 && 0) {
+      eval(""); // ???
+    }
+
+    f = new Function("x = 1");
+
+    try {
+      f();
+    } catch(e) {}
+  }
+
+  this.watch('x', function(){});
+  this.__defineGetter__('x', new Function());
+  huh();
+  if (typeof gczeal == 'function')
+  {
+    gczeal(2); 
+  }
+
+  for (y in [0,1]) { this.__defineSetter__('x', function(){}); }
+
+  if (typeof gczeal == 'function')
+  {
+    gczeal(0);
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/GC/shell.js b/js/src/tests/js1_7/GC/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/GC/shell.js
diff --git a/js/src/tests/js1_7/README b/js/src/tests/js1_7/README
new file mode 100644
index 000000000..38286f771
--- /dev/null
+++ b/js/src/tests/js1_7/README
@@ -0,0 +1 @@
+JavaScript 1.7
diff --git a/js/src/tests/js1_7/browser.js b/js/src/tests/js1_7/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/browser.js
diff --git a/js/src/tests/js1_7/expressions/browser.js b/js/src/tests/js1_7/expressions/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/expressions/browser.js
diff --git a/js/src/tests/js1_7/expressions/destructuring-scope.js b/js/src/tests/js1_7/expressions/destructuring-scope.js
new file mode 100644
index 000000000..374c1bec9
--- /dev/null
+++ b/js/src/tests/js1_7/expressions/destructuring-scope.js
@@ -0,0 +1,67 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 'none';
+var summary = 'Test destructuring assignments for differing scopes';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+function f() {
+  var x = 3;
+  if (x > 0) {
+    let {a:x} = {a:7};
+    if (x != 7) 
+      throw "fail";
+  }
+  if (x != 3) 
+    throw "fail";
+}
+
+function g() {
+  // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+  // the expected values were a == "x" and b == 7.
+  for (var [a,b] in {x:7}) {
+    if (a !== "x" || typeof b !== "undefined")
+      throw "fail";
+  }
+
+  {
+    // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+    // the expected values were a == "y" and b == 8.
+    for (let [a,b] in {y:8}) {
+      if (a !== "y" || typeof b !== "undefined")
+        throw "fail";
+    }
+  }
+
+  if (a !== "x" || typeof b !== "undefined")
+    throw "fail";
+}
+
+f();
+g();
+
+if (typeof a != "undefined" || typeof b != "undefined" || typeof x != "undefined")
+  throw "fail";
+
+function h() {
+  // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+  // the expected values were a == "x" and b == 9.
+  for ([a,b] in {z:9}) {
+    if (a !== "z" || typeof b !== "undefined")
+      throw "fail";
+  }
+}
+
+h();
+
+if (a !== "z" || typeof b !== "undefined")
+  throw "fail";
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/expressions/regress-346203.js b/js/src/tests/js1_7/expressions/regress-346203.js
new file mode 100644
index 000000000..1c18a09ac
--- /dev/null
+++ b/js/src/tests/js1_7/expressions/regress-346203.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346203;
+var summary = 'Do not crash during destructuring assignment ';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var {b:{c:x}}={b:{c:1}}
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/expressions/regress-346645-01.js b/js/src/tests/js1_7/expressions/regress-346645-01.js
new file mode 100644
index 000000000..9782fc82e
--- /dev/null
+++ b/js/src/tests/js1_7/expressions/regress-346645-01.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346645;
+var summary = 'Do not crash with empty object in destructuring assign LHS';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    eval('({ a:{} }) = 3;');
+  }
+  catch(ex)
+  {
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/expressions/regress-346645-02.js b/js/src/tests/js1_7/expressions/regress-346645-02.js
new file mode 100644
index 000000000..f01781c67
--- /dev/null
+++ b/js/src/tests/js1_7/expressions/regress-346645-02.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346645;
+var summary = 'Do not crash with empty array in destructuring assign LHS';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    eval('({ a:[] }) = 3;');
+  }
+  catch(ex)
+  {
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/expressions/regress-346645-03.js b/js/src/tests/js1_7/expressions/regress-346645-03.js
new file mode 100644
index 000000000..20f4d8edb
--- /dev/null
+++ b/js/src/tests/js1_7/expressions/regress-346645-03.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346645;
+var summary = 'Do not crash with non-empty array in destructuring assign LHS';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  try
+  {
+    eval('({ a:[z] }) = 3;');
+  }
+  catch(ex)
+  {
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/expressions/regress-418051.js b/js/src/tests/js1_7/expressions/regress-418051.js
new file mode 100644
index 000000000..32c6b4eac
--- /dev/null
+++ b/js/src/tests/js1_7/expressions/regress-418051.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 418051;
+var summary = 'Do not assert: (pnkey)->pn_arity == PN_NULLARY && ' + 
+  '((pnkey)->pn_type == TOK_NUMBER || (pnkey)->pn_type == TOK_STRING || ' +
+  '(pnkey)->pn_type == TOK_NAME)';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    eval("({x:[]}={x}");
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/expressions/regress-451340.js b/js/src/tests/js1_7/expressions/regress-451340.js
new file mode 100644
index 000000000..77733091f
--- /dev/null
+++ b/js/src/tests/js1_7/expressions/regress-451340.js
@@ -0,0 +1,27 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 451340;
+var summary = 'Do no crash [@ CheckDestructuring]';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function x([y]) { }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/expressions/shell.js b/js/src/tests/js1_7/expressions/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/expressions/shell.js
diff --git a/js/src/tests/js1_7/extensions/basic-Iterator.js b/js/src/tests/js1_7/extensions/basic-Iterator.js
new file mode 100644
index 000000000..b35f46d03
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/basic-Iterator.js
@@ -0,0 +1,165 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "Basic support for accessing iterable objects using Iterator";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function Array_equals(a, b)
+{
+  if (!(a instanceof Array) || !(b instanceof Array))
+    throw new Error("Arguments not both of type Array");
+  if (a.length != b.length)
+    return false;
+  for (var i = 0, sz = a.length; i < sz; i++)
+    if (a[i] !== b[i])
+      return false;
+  return true;
+}
+
+var iterable = { persistedProp: 17 };
+
+try
+{
+  // nothing unusual so far -- verify basic properties
+  for (var i in iterable)
+  {
+    if (i != "persistedProp")
+      throw "no persistedProp!";
+    if (iterable[i] != 17)
+      throw "iterable[\"persistedProp\"] == 17";
+  }
+
+  var keys = ["foo", "bar", "baz"];
+  var vals = [6, 5, 14];
+
+  iterable.__iterator__ =
+    function(keysOnly)
+    {
+      var gen =
+      function()
+      {
+	for (var i = 0; i < keys.length; i++)
+	{
+	  if (keysOnly)
+	    yield keys[i];
+	  else
+	    yield [keys[i], vals[i]];
+	}
+      };
+      return gen();
+    };
+
+  /* Test [key, value] Iterator */
+  var index = 0;
+  var lastSeen = "INITIALVALUE";
+  var it = Iterator(iterable);
+  try
+  {
+    while (true)
+    {
+      var nextVal = it.next();
+      if (!Array_equals(nextVal, [keys[index], vals[index]]))
+        throw "Iterator(iterable): wrong next result\n" +
+	  "  expected: " + [keys[index], vals[index]] + "\n" +
+	  "  actual:   " + nextVal;
+      lastSeen = keys[index];
+      index++;
+    }
+  }
+  catch (e)
+  {
+    if (lastSeen !== keys[keys.length - 1])
+      throw "Iterator(iterable): not everything was iterated!\n" +
+	"  last iterated was: " + lastSeen + "\n" +
+	"  error: " + e;
+    if (e !== StopIteration)
+      throw "Iterator(iterable): missing or invalid StopIteration";
+  }
+
+  if (iterable.persistedProp != 17)
+    throw "iterable.persistedProp not persisted!";
+
+  /* Test [key, value] Iterator, called with an explicit |false| parameter */
+  var index = 0;
+  lastSeen = "INITIALVALUE";
+  it = Iterator(iterable, false);
+  try
+  {
+    while (true)
+    {
+      var nextVal = it.next();
+      if (!Array_equals(nextVal, [keys[index], vals[index]]))
+        throw "Iterator(iterable, false): wrong next result\n" +
+	  "  expected: " + [keys[index], vals[index]] + "\n" +
+	  "  actual:   " + nextVal;
+      lastSeen = keys[index];
+      index++;
+    }
+  }
+  catch (e)
+  {
+    if (lastSeen !== keys[keys.length - 1])
+      throw "Iterator(iterable, false): not everything was iterated!\n" +
+	"  last iterated was: " + lastSeen + "\n" +
+	"  error: " + e;
+    if (e !== StopIteration)
+      throw "Iterator(iterable, false): missing or invalid StopIteration";
+  }
+
+  if (iterable.persistedProp != 17)
+    throw "iterable.persistedProp not persisted!";
+
+  /* Test key-only Iterator */
+  index = 0;
+  lastSeen = undefined;
+  it = Iterator(iterable, true);
+  try
+  {
+    while (true)
+    {
+      var nextVal = it.next();
+      if (nextVal !== keys[index])
+        throw "Iterator(iterable, true): wrong next result\n" +
+	  "  expected: " + keys[index] + "\n" +
+	  "  actual:   " + nextVal;
+      lastSeen = keys[index];
+      index++;
+    }
+  }
+  catch (e)
+  {
+    if (lastSeen !== keys[keys.length - 1])
+      throw "Iterator(iterable, true): not everything was iterated!\n" +
+	"  last iterated was: " + lastSeen + "\n" +
+	"  error: " + e;
+    if (e !== StopIteration)
+      throw "Iterator(iterable, true): missing or invalid StopIteration";
+  }
+
+  if (iterable.persistedProp != 17)
+    throw "iterable.persistedProp not persisted!";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/basic-for-each.js b/js/src/tests/js1_7/extensions/basic-for-each.js
new file mode 100644
index 000000000..8b3097d4b
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/basic-for-each.js
@@ -0,0 +1,90 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "346582";
+var summary = "Basic support for iterable objects and for-each";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+var iterable = { persistedProp: 17 };
+
+function Array_equals(a, b)
+{
+  if (!(a instanceof Array) || !(b instanceof Array))
+    throw new Error("Arguments not both of type Array");
+  if (a.length != b.length)
+    return false;
+  for (var i = 0, sz = a.length; i < sz; i++)
+    if (a[i] !== b[i])
+      return false;
+  return true;
+}
+
+try
+{
+  // nothing unusual so far -- verify basic properties
+  for (var i in iterable)
+  {
+    if (i != "persistedProp")
+      throw "no persistedProp!";
+    if (iterable[i] != 17)
+      throw "iterable[\"persistedProp\"] == 17";
+  }
+
+  var keys = ["foo", "bar", "baz"];
+  var vals = [6, 5, 14];
+
+  iterable.__iterator__ =
+    function(keysOnly)
+    {
+      var gen =
+      function()
+      {
+	for (var i = 0; i < keys.length; i++)
+	{
+	  if (keysOnly)
+	    yield keys[i];
+	  else
+	    yield [keys[i], vals[i]];
+	}
+      };
+      return gen();
+    };
+
+  // for each sets keysOnly==false
+  var index = 0;
+  for each (var v in iterable)
+  {
+    if (!Array_equals(v, [keys[index], vals[index]]))
+      throw "for-each iteration failed on index=" + index + "!";
+    index++;
+  }
+  if (index != keys.length)
+    throw "not everything iterated!  index=" + index +
+      ", keys.length=" + keys.length;
+
+  if (iterable.persistedProp != 17)
+    throw "iterable.persistedProp not persisted!";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/basic-for-in.js b/js/src/tests/js1_7/extensions/basic-for-in.js
new file mode 100644
index 000000000..d50aa5cbe
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/basic-for-in.js
@@ -0,0 +1,78 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "346582";
+var summary = "Basic support for iterable objects and for-in";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+var iterable = { persistedProp: 17 };
+
+try
+{
+  // nothing unusual so far -- verify basic properties
+  for (var i in iterable)
+  {
+    if (i != "persistedProp")
+      throw "no persistedProp!";
+    if (iterable[i] != 17)
+      throw "iterable[\"persistedProp\"] == 17";
+  }
+
+  var keys = ["foo", "bar", "baz"];
+  var vals = [6, 5, 14];
+
+  iterable.__iterator__ =
+    function(keysOnly)
+    {
+      var gen =
+      function()
+      {
+	for (var i = 0; i < keys.length; i++)
+	{
+	  if (keysOnly)
+	    yield keys[i];
+	  else
+	    yield [keys[i], vals[i]];
+	}
+      };
+      return gen();
+    };
+
+  // for in sets keysOnly==true
+  var index = 0;
+  for (var k in iterable)
+  {
+    if (k != keys[index])
+      throw "for-in iteration failed on keys[\"" + index + "\"]";
+    index++;
+  }
+  if (index != keys.length)
+    throw "not everything iterated!  index=" + index +
+      ", keys.length=" + keys.length;
+
+  if (iterable.persistedProp != 17)
+    throw "iterable.persistedProp not persisted!";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/browser.js b/js/src/tests/js1_7/extensions/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/browser.js
diff --git a/js/src/tests/js1_7/extensions/destructuring-order.js b/js/src/tests/js1_7/extensions/destructuring-order.js
new file mode 100644
index 000000000..72bba5b09
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/destructuring-order.js
@@ -0,0 +1,152 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "Order of destructuring, destructuring in the presence of " +
+  "exceptions";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+
+var a = "FAILED", b = "PASSED";
+
+function exceptObj()
+{
+  return { get b() { throw "PASSED"; }, a: "PASSED" };
+}
+
+function partialEvalObj()
+{
+  try
+  {
+    ({a:a, b:b} = exceptObj());
+    throw "FAILED";
+  }
+  catch (ex)
+  {
+    if (ex !== "PASSED")
+      throw "bad exception thrown: " + ex;
+  }
+}
+
+
+var c = "FAILED", d = "FAILED", e = "PASSED", f = "PASSED";
+
+function exceptArr()
+{
+  return ["PASSED", {e: "PASSED", get f() { throw "PASSED"; }}, "FAILED"];
+}
+
+function partialEvalArr()
+{
+  try
+  {
+    [c, {e: d, f: e}, f] = exceptArr();
+    throw "FAILED";
+  }
+  catch (ex)
+  {
+    if (ex !== "PASSED")
+      throw "bad exception thrown: " + ex;
+  }
+}
+
+
+var g = "FAILED", h = "FAILED", i = "FAILED", j = "FAILED", k = "FAILED";
+var _g = "PASSED", _h = "FAILED", _i = "FAILED", _j = "FAILED", _k = "FAILED";
+var order = [];
+
+function objWithGetters()
+{
+  return {
+    get j()
+    {
+      var rv = _j;
+      _g = _h = _i = _j = "FAILED";
+      _k = "PASSED";
+      order.push("j");
+      return rv;
+    },
+      get g()
+      {
+	var rv = _g;
+	_g = _i = _j = _k = "FAILED";
+	_h = "PASSED";
+	order.push("g");
+	return rv;
+      },
+	get i()
+	{
+	  var rv = _i;
+	  _g = _h = _i = _k = "FAILED";
+	  _j = "PASSED";
+	  order.push("i");
+	  return rv;
+	},
+	  get k()
+	  {
+	    var rv = _k;
+	    _g = _h = _i = _j = _k = "FAILED";
+	    order.push("k");
+	    return rv;
+	  },
+	    get h()
+	    {
+	      var rv = _h;
+	      _g = _h = _j = _k = "FAILED";
+	      _i = "PASSED";
+	      order.push("h");
+	      return rv;
+	    }
+  };
+}
+
+function partialEvalObj2()
+{
+  ({g: g, h: h, i: i, j: j, k: k} = objWithGetters());
+}
+
+try
+{
+  partialEvalObj();
+  if (a !== "PASSED" || b !== "PASSED")
+    throw "FAILED: lhs not mutated correctly during destructuring!\n" +
+      "a == " + a + ", b == " + b;
+
+  partialEvalObj2();
+  if (g !== "PASSED" ||
+      h !== "PASSED" ||
+      i !== "PASSED" ||
+      j !== "PASSED" ||
+      k !== "PASSED")
+    throw "FAILED: order of property accesses wrong!\n" +
+      "order == " + order;
+
+  partialEvalArr();
+  if (c !== "PASSED" || d !== "PASSED" || e !== "PASSED")
+    throw "FAILED: lhs not mutated correctly during destructuring!\n" +
+      "c == " + c +
+      ", d == " + d +
+      ", e == " + e +
+      ", f == " + f ;
+}
+catch (ex)
+{
+  failed = ex;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/iterator-ctor.js b/js/src/tests/js1_7/extensions/iterator-ctor.js
new file mode 100644
index 000000000..92d3347cf
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/iterator-ctor.js
@@ -0,0 +1,102 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// See http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Guide:Iterators_and_Generators
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER  = "410725";
+var summary = "Test of the global Iterator constructor";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function iteratorToArray(iterator) {
+  var result = [];
+  for (var i in iterator) {
+    result[result.length] = i;
+  }
+  return result.sort();
+}
+
+var obj = {a:1, b:2};
+
+reportCompare('["a", "b"]',
+              uneval(iteratorToArray(obj)),
+              'uneval(iteratorToArray(obj))');
+
+reportCompare('[["a", 1], ["b", 2]]',
+              uneval(iteratorToArray(Iterator(obj))),
+              'uneval(iteratorToArray(Iterator(obj)))');
+
+reportCompare('[["a", 1], ["b", 2]]',
+              uneval(iteratorToArray(new Iterator(obj))),
+              'uneval(iteratorToArray(new Iterator(obj)))');
+
+reportCompare('[["a", 1], ["b", 2]]',
+              uneval(iteratorToArray(Iterator(obj,false))),
+              'uneval(iteratorToArray(Iterator(obj,false)))');
+
+reportCompare('[["a", 1], ["b", 2]]',
+              uneval(iteratorToArray(new Iterator(obj,false))),
+              'uneval(iteratorToArray(new Iterator(obj,false)))');
+
+reportCompare('["a", "b"]',
+              uneval(iteratorToArray(Iterator(obj,true))),
+              'uneval(iteratorToArray(Iterator(obj,true)))');
+
+reportCompare('["a", "b"]',
+              uneval(iteratorToArray(new Iterator(obj,true))),
+              'uneval(iteratorToArray(new Iterator(obj,true)))');
+
+var flag;
+var obji = {a:1, b:2};
+obji.__iterator__ = function (b) { flag = b; yield -1; yield -2; }
+
+flag = -1;
+reportCompare('[-1, -2]',
+              uneval(iteratorToArray(obji)),
+              'uneval(iteratorToArray(obji))');
+reportCompare(true, flag, 'uneval(iteratorToArray(obji)) flag');
+
+flag = -1;
+reportCompare('[-1, -2]',
+              uneval(iteratorToArray(Iterator(obji))),
+              'uneval(iteratorToArray(Iterator(obji)))');
+reportCompare(false, flag, 'uneval(iteratorToArray(Iterator(obji))) flag');
+
+flag = -1;
+reportCompare('[-1, -2]',
+              uneval(iteratorToArray(new Iterator(obji))),
+              'uneval(iteratorToArray(new Iterator(obji)))');
+reportCompare(false, flag, 'uneval(iteratorToArray(new Iterator(obji))) flag');
+
+flag = -1;
+reportCompare('[-1, -2]',
+              uneval(iteratorToArray(Iterator(obji,false))),
+              'uneval(iteratorToArray(Iterator(obji,false)))');
+reportCompare(false, flag, 'uneval(iteratorToArray(Iterator(obji,false))) flag');
+
+flag = -1;
+reportCompare('[-1, -2]',
+              uneval(iteratorToArray(new Iterator(obji,false))),
+              'uneval(iteratorToArray(new Iterator(obji,false)))');
+reportCompare(false, flag, 'uneval(iteratorToArray(new Iterator(obji,false))) flag');
+
+flag = -1;
+reportCompare('[-1, -2]',
+              uneval(iteratorToArray(Iterator(obji,true))),
+              'uneval(iteratorToArray(Iterator(obji,true)))');
+reportCompare(true, flag, 'uneval(iteratorToArray(Iterator(obji,true))) flag');
+
+flag = -1;
+reportCompare('[-1, -2]',
+              uneval(iteratorToArray(new Iterator(obji,true))),
+              'uneval(iteratorToArray(new Iterator(obji,true)))');
+reportCompare(true, flag, 'uneval(iteratorToArray(new Iterator(obji,true))) flag');
diff --git a/js/src/tests/js1_7/extensions/regress-346021.js b/js/src/tests/js1_7/extensions/regress-346021.js
new file mode 100644
index 000000000..e8849aae3
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-346021.js
@@ -0,0 +1,45 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346021;
+var summary = 'Implementing __iterator__ as generator';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var o = { __iterator__: function () { print(12); yield 42; } };
+
+  expect = 42;
+  actual = 0;
+ 
+  for (let i in Iterator(o))
+  {
+    actual = i;
+  }
+
+  reportCompare(expect, actual, summary);
+
+  actual = 0;
+
+  for (let i in o)
+  {
+    actual = i; // this doesn't iterate 42
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-346642-06.js b/js/src/tests/js1_7/extensions/regress-346642-06.js
new file mode 100644
index 000000000..e7664eab5
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-346642-06.js
@@ -0,0 +1,62 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346642;
+var summary = 'decompilation of destructuring assignment';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = 3;
+  actual = '';
+  "" + function() { [] = 3 }; actual = 3;
+  actual = 3;
+  reportCompare(expect, actual, summary + ': 1');
+
+  try
+  {
+    var z = 6;
+    var f = eval('(function (){for(let [] = []; false;) let z; return z})');
+    expect =  f();
+    actual = eval("("+f+")")()
+      reportCompare(expect, actual, summary + ': 2');
+  }
+  catch(ex)
+  {
+    // See https://bugzilla.mozilla.org/show_bug.cgi?id=408957
+    var summarytrunk = 'let declaration must be direct child of block or top-level implicit block';
+    expect = 'SyntaxError';
+    actual = ex.name;
+    reportCompare(expect, actual, summarytrunk);
+  }
+
+  expect = 3;
+  actual = '';
+  "" + function () { for(;; [[a]] = [5]) { } }; actual = 3;
+  reportCompare(expect, actual, summary + ': 3');
+
+  expect = 3;
+  actual = '';
+  "" + function () { for(;; ([[,]] = p)) { } }; actual = 3;
+  reportCompare(expect, actual, summary + ': 4');
+
+  expect = 3;
+  actual = '';
+  actual = 1; try {for(x in (function ([y]) { })() ) { }}catch(ex){} actual = 3;
+  reportCompare(expect, actual, summary + ': 5');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-346773.js b/js/src/tests/js1_7/extensions/regress-346773.js
new file mode 100644
index 000000000..3faa2c73f
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-346773.js
@@ -0,0 +1,52 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346773;
+var summary = 'Do not crash compiling with misplaced brances in function';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  try
+  {
+    var src =
+      '    var it = {foo:"5"};' +
+      '    it.__iterator__ =' +
+      '      function(valsOnly)' +
+      '      {' +
+      '        var gen =' +
+      '        function()' +
+      '        {' +
+      '          for (var i = 0; i < keys.length; i++)' +
+      '          {' +
+      '            if (valsOnly)' +
+      '              yield vals[i];' +
+      '            else' +
+      '              yield [keys[i], vals[i]];' +
+      '          }' +
+      '          return gen();' +
+      '        }' +
+      '      }';
+    eval(src);
+  }
+  catch(ex)
+  {
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-350312.js b/js/src/tests/js1_7/extensions/regress-350312.js
new file mode 100644
index 000000000..4da03648c
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-350312.js
@@ -0,0 +1,80 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 350312;
+var summary = 'Accessing wrong stack slot with nested catch/finally';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var iter;
+  function gen()
+  {
+    try {
+      yield iter;
+    } catch (e if e == null) {
+      actual += 'CATCH,';
+      print("CATCH");
+    } finally {
+      actual += 'FINALLY';
+      print("FINALLY");
+    }
+  }
+
+  expect = 'FINALLY';
+  actual = '';
+  (iter = gen()).next().close();
+  reportCompare(expect, actual, summary);
+
+  expect = 'FINALLY';
+  actual = '';
+  try
+  {
+    (iter = gen()).next().throw(1);
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary);
+
+  expect = 'CATCH,FINALLY';
+  actual = '';
+  try
+  {
+    (iter = gen()).next().throw(null);
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary);
+
+  expect = 'FINALLY';
+  actual = '';
+  var expectexcp = '[object StopIteration]';
+  var actualexcp = '';
+  try
+  {
+    (iter = gen()).next().next();     
+  }
+  catch(ex)
+  {
+    actualexcp = ex + '';
+  }
+  reportCompare(expect, actual, summary);
+  reportCompare(expectexcp, actualexcp, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-351070-02.js b/js/src/tests/js1_7/extensions/regress-351070-02.js
new file mode 100644
index 000000000..b478da195
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-351070-02.js
@@ -0,0 +1,69 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 351070;
+var summary = 'decompilation of let declaration should not change scope';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    var pfx  = "(function f() { var n = 2, a = 2; ",
+      decl = " let a = 3;",
+      end  = " return a; })";
+
+    var table = [
+      ["if (!!true)",       ""],
+      ["if (!!true)",       " else foopy();"],
+      ["if (!true); else",  ""],
+      ["do ",               " while (false);"],
+      ["while (--n)",       ""],
+      ["for (--n;n;--n)",   ""],
+      ["for (a in this)",   ""],
+      ["with (this)",       ""],
+      ];
+
+    expect = 3;
+
+    for (i = 0; i < table.length; i++) {
+      var src = pfx + table[i][0] + decl + table[i][1] + end;
+      print('src: ' + src);
+      var fun = eval(src);
+      var testval = fun();
+      reportCompare(expect, testval, summary + ': ' + src);
+      if (testval != expect) {
+        break;
+      }
+      print('uneval: ' + uneval(fun));
+      var declsrc = '(' +
+        src.slice(1, -1).replace('function f', 'function f' + i) + ')';
+      print('declsrc: ' + declsrc);
+      this['f' + i] = eval(declsrc);
+      print('f' + i + ': ' + this['f' + i]);
+    }
+  }
+  catch(ex)
+  {
+    // See https://bugzilla.mozilla.org/show_bug.cgi?id=408957
+    summary = 'let declaration must be direct child of block or top-level implicit block';
+    expect = 'SyntaxError';
+    actual = ex.name;
+    reportCompare(expect, actual, summary);
+  }
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-351102-03.js b/js/src/tests/js1_7/extensions/regress-351102-03.js
new file mode 100644
index 000000000..5790cfab8
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-351102-03.js
@@ -0,0 +1,43 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 351102;
+var summary = 'try/catch-guard/finally GC issues';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var f;
+  f = function()
+    {
+      try
+      {
+        d.d.d;
+      }
+      catch({} if gc())
+      {
+      }
+      catch(y)
+      {
+      }
+    };
+
+  f();
+  f();
+
+  reportCompare(expect, actual, summary + ': 3');
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-351102-04.js b/js/src/tests/js1_7/extensions/regress-351102-04.js
new file mode 100644
index 000000000..716454160
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-351102-04.js
@@ -0,0 +1,35 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 351102;
+var summary = 'try/catch-guard/finally GC issues';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var f;
+  try
+  {
+    try { foo() } catch([] if gc()) { }
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary + ': 4');
+
+  exitFunc ('test');
+}
+
diff --git a/js/src/tests/js1_7/extensions/regress-351102-05.js b/js/src/tests/js1_7/extensions/regress-351102-05.js
new file mode 100644
index 000000000..32b3d39e6
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-351102-05.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 351102;
+var summary = 'try/catch-guard/finally GC issues';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var f;
+  try
+  {
+    try { d.d.d } catch([] if gc()) { }
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary + ': 5');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-351102-07.js b/js/src/tests/js1_7/extensions/regress-351102-07.js
new file mode 100644
index 000000000..16a6f18fe
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-351102-07.js
@@ -0,0 +1,43 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 351102;
+var summary = 'try/catch-guard/finally GC issues';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var f;
+  var obj = { get a() {
+      try {
+        throw 1;
+      } catch (e) {
+      }
+      return false;
+    }};
+
+  try {
+    throw obj;
+  } catch ({a: a} if a) {
+    throw "Unreachable";
+  } catch (e) {
+    if (e !== obj)
+      throw "Unexpected exception: "+uneval(e);
+  }
+  reportCompare(expect, actual, summary + ': 7');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-352797-01.js b/js/src/tests/js1_7/extensions/regress-352797-01.js
new file mode 100644
index 000000000..cb3c98f59
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-352797-01.js
@@ -0,0 +1,35 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 352797;
+var summary = 'Do not assert: OBJ_GET_CLASS(cx, obj) == &js_BlockClass';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  if (typeof Script == 'undefined')
+  {
+    print('Test skipped. Script not defined.');
+  }
+  else
+  {
+    (function(){let x = 'fafafa'.replace(/a/g, new Script(''))})();
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-352885-01.js b/js/src/tests/js1_7/extensions/regress-352885-01.js
new file mode 100644
index 000000000..9210f17a7
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-352885-01.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 352885;
+var summary = 'Do not crash iterating over gen.__proto__';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  for (j in ((function() { yield 3; })().__proto__))
+    print(j);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-352885-02.js b/js/src/tests/js1_7/extensions/regress-352885-02.js
new file mode 100644
index 000000000..d243813f9
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-352885-02.js
@@ -0,0 +1,67 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 352885;
+var summary = 'Do not crash iterating over gen.__proto__';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function dotest()
+  {
+    var proto = (function() { yield 3; })().__proto__;
+
+    try {
+      proto.next();
+      throw "generatorProto.next() does not throw TypeError";
+    } catch (e) {
+      if (!(e instanceof TypeError))
+        throw "generatorProto.next() throws unexpected exception: "+uneval(e);
+    }
+
+    try {
+      proto.send();
+      throw "generatorProto.send() does not throw TypeError";
+    } catch (e) {
+      if (!(e instanceof TypeError))
+        throw "generatorProto.send() throws unexpected exception: "+uneval(e);
+    }
+
+    var obj = {};
+    try {
+      proto.throw(obj);
+      throw "generatorProto.throw(obj) does not throw TypeError";
+    } catch (e) {
+      if (!(e instanceof TypeError))
+        throw "generatorProto.throw() throws unexpected exception: "+uneval(e);
+    }
+
+    try {
+      proto.close();
+      throw "generatorProto.close() does not throw TypeError";
+    } catch (e) {
+      if (!(e instanceof TypeError))
+        throw "generatorProto.close() throws unexpected exception: "+uneval(e);
+    }
+
+  }
+
+  dotest();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-353214-01.js b/js/src/tests/js1_7/extensions/regress-353214-01.js
new file mode 100644
index 000000000..bd0cbb676
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-353214-01.js
@@ -0,0 +1,47 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 353214;
+var summary = 'bug 353214';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var f = function () {
+    switch(({ get x() { export *; }, set x([[y], [x] ]) { let x; } })) {
+      case eval("[[1]]", function(id) { return id; }):
+      L:for(let x in (((eval).call)(eval("yield <x><y/></x>;",  "" ))))var x;
+      case (uneval(this)):
+      import x.*;
+    }
+  }
+
+  expect = 'function () { ' +
+    'switch({ get x() { export *; }, set x([[y], [x] ]) { let x; } }) {  ' +
+    'case eval("[[1]]", function(id) { return id; }):  ' +
+    'L:for(let x in eval.call(eval("yield <x><y/></x>;",  "" ))){var x;} ' +
+    'case uneval(this):  ' +
+    'import x.*;  default:;' +
+    '} ' +
+    '}';
+
+  actual = f + '';
+
+  compareSource(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-353249.js b/js/src/tests/js1_7/extensions/regress-353249.js
new file mode 100644
index 000000000..8bc5ed931
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-353249.js
@@ -0,0 +1,35 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 353249;
+var summary = 'regression test for bug 353249';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var f = (function () { let (x) <x/>.(1) < let (z) eval('3');
+	     for (x in this) {} });
+
+  expect = 'function () { (let (x) <x/>.((1)) < (let (z) eval("3"))); ' +
+    'for (x in this) {} }';
+  actual = f + '';
+  compareSource(expect, actual, summary);
+
+  // do not crash()
+  f();
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-354499-01.js b/js/src/tests/js1_7/extensions/regress-354499-01.js
new file mode 100644
index 000000000..6a9ae40b9
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-354499-01.js
@@ -0,0 +1,46 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 354499;
+var summary = 'Iterating over Array elements';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = actual = 'No Crash';
+
+  var obj = {get a(){ return new Object(); }};
+
+  function setter(v)
+  {
+    // Push out obj.a from all temp roots
+    var tmp = { get toString() { return new Object(); }};
+    try { String(tmp); } catch (e) {  }
+    gc();
+  }
+
+  Array.prototype.__defineGetter__(0, function() { });
+  Array.prototype.__defineSetter__(0, setter);
+
+  for (var i in Iterator(obj))
+    print(uneval(i));
+
+  delete Array.prototype[0];
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-354499-02.js b/js/src/tests/js1_7/extensions/regress-354499-02.js
new file mode 100644
index 000000000..8f5c62918
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-354499-02.js
@@ -0,0 +1,49 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 354499;
+var summary = 'Iterating over Array elements';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = actual = 'No Crash';
+
+  function get_value()
+  {
+    // Unroot the first element
+    this[0] = 0;
+
+    // Call gc to collect atom corresponding to Math.sqrt(2)
+    gc();
+  }
+
+  var counter = 2;
+  Iterator.prototype.next = function()
+    {
+      if (counter-- <= 0) throw StopIteration;
+      var a = [Math.sqrt(2), 1];
+      a.__defineGetter__(1, get_value);
+      return a;
+    };
+
+  for (i in [1])
+    ;
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-354945-01.js b/js/src/tests/js1_7/extensions/regress-354945-01.js
new file mode 100644
index 000000000..76f1a3c82
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-354945-01.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 354945;
+var summary = 'Do not crash with new Iterator';
+var expect = 'TypeError: trap __iterator__ for ({__iterator__:(function (){ })}) returned a primitive value';
+var actual;
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  try {
+    var obj = {};
+    obj.__iterator__ = function(){ };
+    for(t in (new Iterator(obj))) { }
+  } catch (ex) {
+    actual = ex.toString();
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-354945-02.js b/js/src/tests/js1_7/extensions/regress-354945-02.js
new file mode 100644
index 000000000..261bf7de1
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-354945-02.js
@@ -0,0 +1,38 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 354945;
+var summary = 'Do not crash with new Iterator';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = 'TypeError: trap __iterator__ for ({__iterator__:(function (){ })}) returned a primitive value';
+  var obj = {};
+  obj.__iterator__ = function(){ };
+  try
+  {
+    for(t in (obj)) { }
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-355052-01.js b/js/src/tests/js1_7/extensions/regress-355052-01.js
new file mode 100644
index 000000000..ea5f5d7d7
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-355052-01.js
@@ -0,0 +1,37 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355052;
+var summary = 'Do not crash with valueOf:gc and __iterator__';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = /TypeError: .+ is not a function/;
+  actual = 'No Error';
+  try
+  {
+    ( {valueOf: gc} - [function(){}].__iterator__ )();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportMatch(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-355052-02.js b/js/src/tests/js1_7/extensions/regress-355052-02.js
new file mode 100644
index 000000000..57d06153e
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-355052-02.js
@@ -0,0 +1,37 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355052;
+var summary = 'Do not crash with valueOf:gc and __iterator__';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = /TypeError: .+ is not a function/;
+  actual = 'No Error';
+  try
+  {
+    ( {valueOf: gc} - [].a )();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportMatch(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-355052-03.js b/js/src/tests/js1_7/extensions/regress-355052-03.js
new file mode 100644
index 000000000..e987101fb
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-355052-03.js
@@ -0,0 +1,43 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355052;
+var summary = 'Do not crash with valueOf:gc and __iterator__';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = /TypeError: .+ is not a function/;
+  actual = 'No Error';
+  try
+  {
+    var obj = {valueOf: gc };
+
+    function f() {
+      ( obj * [].a )();
+    }
+
+    f();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportMatch(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-355410.js b/js/src/tests/js1_7/extensions/regress-355410.js
new file mode 100644
index 000000000..6b00b704f
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-355410.js
@@ -0,0 +1,40 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355410;
+var summary = 'GC hazard in for([k,v] in o){...}';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var address = 0xbadf00d0, basket = { food: {} };
+  var AP = Array.prototype, rooter = {};
+  AP.__defineGetter__(0, function() { return this[-1]; });
+  AP.__defineSetter__(0, function(v) {
+			basket.food = null;
+			for(var i = 0; i < 8 * 1024; i++) {
+			  rooter[i] = 0x10000000000000 + address; // IEEE754!
+			}
+			return this[-1] = v;
+		      });
+  for(var [key, value] in basket) { value.trigger; }
+
+  delete Array.prototype[0];
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-355512.js b/js/src/tests/js1_7/extensions/regress-355512.js
new file mode 100644
index 000000000..554242382
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-355512.js
@@ -0,0 +1,38 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355512;
+var summary = 'Do not crash with generator arguments';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function foopy()
+  {
+    var f = function(){ r = arguments; d.d.d; yield 170; }
+    try { for (var i in f()) { } } catch (iterError) { }  
+  }
+
+  typeof uneval;
+  foopy();
+  gc();
+  uneval(r);
+  gc();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-363040-01.js b/js/src/tests/js1_7/extensions/regress-363040-01.js
new file mode 100644
index 000000000..5b89b4e81
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-363040-01.js
@@ -0,0 +1,65 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 363040;
+var summary = 'Array.prototype.reduce application in continued fraction';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+// Print x as a continued fraction in compact abbreviated notation and return
+// the convergent [n, d] such that x - (n / d) <= epsilon.
+  function contfrac(x, epsilon) {
+    let i = Math.floor(x);
+    let a = [i];
+    x = x - i;
+    let maxerr = x;
+    while (maxerr > epsilon) {
+      x = 1 / x;
+      i = Math.floor(x);
+      a.push(i);
+      x = x - i;
+      maxerr = x * maxerr / i;
+    }
+    print(uneval(a));
+    a.push([1, 0]);
+    a.reverse();
+    return a.reduce(function (x, y) {return [x[0] * y + x[1], x[0]];});
+  }
+
+  if (!Array.prototype.reduce)
+  {
+    print('Test skipped. Array.prototype.reduce not implemented');
+  }
+  else
+  {
+// Show contfrac in action.
+    for each (num in [Math.PI, Math.sqrt(2), 1 / (Math.sqrt(Math.E) - 1)]) {
+      print('Continued fractions for', num);
+      for each (eps in [1e-2, 1e-3, 1e-5, 1e-7, 1e-10]) {
+        let frac = contfrac(num, eps);
+        let est = frac[0] / frac[1];
+        let err = num - est;
+        print(uneval(frac), est, err);
+      }
+      print();
+    }
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-363040-02.js b/js/src/tests/js1_7/extensions/regress-363040-02.js
new file mode 100644
index 000000000..ea163790a
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-363040-02.js
@@ -0,0 +1,64 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 363040;
+var summary = 'Array.prototype.reduce application in continued fraction';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+
+// Print x as a continued fraction in compact abbreviated notation and return
+// the convergent [n, d] such that x - (n / d) <= epsilon.
+  function contfrac(x, epsilon) {
+    let i = Math.floor(x);
+    let a = [i];
+    x = x - i;
+    let maxerr = x;
+    while (maxerr > epsilon) {
+      x = 1 / x;
+      i = Math.floor(x);
+      a.push(i);
+      x = x - i;
+      maxerr = x * maxerr / i;
+    }
+    print(uneval(a));
+    return a.reduceRight(function (x, y) {return [x[0] * y + x[1], x[0]];}, [1, 0]);
+  }
+
+  if (!Array.prototype.reduceRight)
+  {
+    print('Test skipped. Array.prototype.reduceRight not implemented');
+  }
+  else
+  {
+// Show contfrac in action on some interesting numbers.
+    for each (num in [Math.PI, Math.sqrt(2), 1 / (Math.sqrt(Math.E) - 1)]) {
+      print('Continued fractions for', num);
+      for each (eps in [1e-2, 1e-3, 1e-5, 1e-7, 1e-10]) {
+        let frac = contfrac(num, eps);
+        let est = frac[0] / frac[1];
+        let err = num - est;
+        print(uneval(frac), est, err);
+      }
+      print();
+    }
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-366668-01.js b/js/src/tests/js1_7/extensions/regress-366668-01.js
new file mode 100644
index 000000000..92d01e800
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-366668-01.js
@@ -0,0 +1,31 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 366668;
+var summary = 'decompilation of "for (let x in x.p)" ';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var f;
+
+  f = function() { for(let x in x.p) { } };
+  expect = 'function() { for(let x in x.p) { } }';
+  actual = f + '';
+  compareSource(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-367629.js b/js/src/tests/js1_7/extensions/regress-367629.js
new file mode 100644
index 000000000..7808701cb
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-367629.js
@@ -0,0 +1,38 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 367629;
+var summary = 'Decompilation of result with native function as getter';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var a =
+    Object.defineProperty({}, "h",
+    {
+      get: encodeURI,
+      enumerable: true,
+      configurable: true
+    });
+
+  expect = '({get h() {[native code]}})';
+  actual = uneval(a);      
+
+  compareSource(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-368213.js b/js/src/tests/js1_7/extensions/regress-368213.js
new file mode 100644
index 000000000..c1f9be735
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-368213.js
@@ -0,0 +1,17 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 368213;
+var summary = 'Do not crash with group assignment and sharp variable defn';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+(function() { [] = [] });
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/regress-368224.js b/js/src/tests/js1_7/extensions/regress-368224.js
new file mode 100644
index 000000000..234f26856
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-368224.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 368224;
+var summary = 'Do not assert: pnprop->pn_type == TOK_COLON';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  ({ x: a } = {});
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-372364.js b/js/src/tests/js1_7/extensions/regress-372364.js
new file mode 100644
index 000000000..ed641045f
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-372364.js
@@ -0,0 +1,35 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 372364;
+var summary = 'Do not recurse to death on (function() { yield ([15].some([].watch)); })().next()';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  print('FIXME: Fix this test to check the proper error when bug 366669 is fixed');
+  try
+  {
+    (function() { yield ([15].some([].watch)); })().next();
+  }
+  catch(ex)
+  {
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-379566.js b/js/src/tests/js1_7/extensions/regress-379566.js
new file mode 100644
index 000000000..73f80ce04
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-379566.js
@@ -0,0 +1,45 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 379566;
+var summary = 'Keywords after get|set';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = '({ ' +
+    'get in () { return this.for; }, ' + 
+    'set in (value) { this.for = value; } ' + 
+    '})';
+  try
+  {
+    var obj = eval('({ ' +
+                   'get in() { return this.for; }, ' + 
+                   'set in(value) { this.for = value; } ' + 
+                   '})');
+    actual = obj.toSource();
+
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  compareSource(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-380933.js b/js/src/tests/js1_7/extensions/regress-380933.js
new file mode 100644
index 000000000..09f64209d
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-380933.js
@@ -0,0 +1,27 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var BUGNUMBER = 380933;
+var summary = 'Do not assert with uneval object with setter with modified proto';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+var f = (function(){});
+var y =
+  Object.defineProperty({}, "p",
+  {
+    get: f,
+    enumerable: true,
+    configurable: true
+  });
+f.__proto__ = [];
+uneval(y);
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");
+
diff --git a/js/src/tests/js1_7/extensions/regress-381301.js b/js/src/tests/js1_7/extensions/regress-381301.js
new file mode 100644
index 000000000..e69009b80
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-381301.js
@@ -0,0 +1,32 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 381301;
+var summary = 'uneval of object with native-function getter';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var o =
+    Object.defineProperty({}, "x", { get: decodeURI, enumerable: true, configurable: true });
+  expect = '( { get x ( ) { [ native code ] } } )';
+  actual =  uneval(o);
+
+  compareSource(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-381303.js b/js/src/tests/js1_7/extensions/regress-381303.js
new file mode 100644
index 000000000..40c9dbdef
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-381303.js
@@ -0,0 +1,35 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 381303;
+var summary = 'object toSource when a property has both a getter and a setter';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var obj = {set inn(value) {this.for = value;}, get inn() {return this.for;}};
+  expect = '( { ' + 
+    'get inn() {return this.for;}' + 
+    ', ' + 
+    'set inn(value) {this.for = value;}' + 
+    '})';
+  actual = obj.toSource();
+
+  compareSource(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-387955-01.js b/js/src/tests/js1_7/extensions/regress-387955-01.js
new file mode 100644
index 000000000..e3af18401
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-387955-01.js
@@ -0,0 +1,40 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 387955;
+var summary = 'Do not Crash [@ TraceEdge]';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var fal = false;
+
+  function gen() { 
+    let x;
+    function y(){} 
+    this.__defineGetter__('', function(){}); 
+    if (fal)
+      yield;
+  }
+
+  for (var i in gen()) { }
+
+  gc();
+ 
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-387955-02.js b/js/src/tests/js1_7/extensions/regress-387955-02.js
new file mode 100644
index 000000000..dc3b795b6
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-387955-02.js
@@ -0,0 +1,41 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 387955;
+var summary = 'Do not Crash [@ TraceEdge]';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var f;
+
+  function gen(yield_at_least_once) {
+    let x = 11;
+    function y(){}
+    f = function(){ return x; };
+    if (yield_at_least_once)
+      yield;
+  }
+
+  for (var i in gen()) { }
+
+  if (f() !== 11)
+    throw "unexpected value of local x";
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-392308.js b/js/src/tests/js1_7/extensions/regress-392308.js
new file mode 100644
index 000000000..7d4c9e1d9
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-392308.js
@@ -0,0 +1,47 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 392308;
+var summary = 'StopIteration should be catchable';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function testStop() {
+    function yielder() {
+      actual += 'before, ';
+      yield;
+      actual += 'after, ';
+    }
+
+    expect = 'before, after, iteration terminated normally';
+
+    try {
+      var gen = yielder();
+      result = gen.next();
+      gen.send(result);
+    } catch (x if x instanceof StopIteration) {
+      actual += 'iteration terminated normally';
+    } catch (x2) {
+      actual += 'unexpected throw: ' + x2;
+    }
+  }
+  testStop();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-396326.js b/js/src/tests/js1_7/extensions/regress-396326.js
new file mode 100644
index 000000000..2a26e5350
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-396326.js
@@ -0,0 +1,37 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 396326;
+var summary = 'Do not assert trying to disassemble get(var|arg) prop';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  if (typeof dis == 'undefined')
+  {
+    print('disassembly not supported. test skipped.');
+    reportCompare(expect, actual, summary);
+  }
+  else
+  {
+    function f4() { let local; return local.prop }; 
+    dis(f4);
+    reportCompare(expect, actual, summary + 
+                  ': function f4() { let local; return local.prop };');
+  }
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-453955.js b/js/src/tests/js1_7/extensions/regress-453955.js
new file mode 100644
index 000000000..454f712f3
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-453955.js
@@ -0,0 +1,31 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 453955;
+var summary = 'Do not assert: sprop->setter != js_watch_set || pobj != obj';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  for (var z = 0; z < 2; ++z) 
+  { 
+    [].filter.watch("9", function(y) { yield y; });
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-458679.js b/js/src/tests/js1_7/extensions/regress-458679.js
new file mode 100644
index 000000000..d87d23512
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-458679.js
@@ -0,0 +1,52 @@
+// |reftest| skip-if(!xulRuntime.shell||xulRuntime.shell&&xulRuntime.XPCOMABI.match(/x86_64/)) slow
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 458679;
+var summary = 'Do not assert: nbytes != 0';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+function f()
+{
+  for (var i = 1; i < dps.length; ++i) {
+    var a = "";
+    var b = "";
+    var c = "";
+  }
+}
+
+function stringOfLength(n)
+{
+  if (n == 0) {
+    return "";
+  } else if (n == 1) {
+    return "\"";
+  } else {
+    var r = n % 2;
+    var d = (n - r) / 2;
+    var y = stringOfLength(d);
+    return y + y + stringOfLength(r);
+  }    
+}
+
+try
+{
+  this.__defineGetter__('x', this.toSource);
+  while (x.length < 12000000) { 
+    let q = x;
+    s = q + q; 
+  }
+  print(x.length);
+}
+catch(ex)
+{
+}
+ 
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/regress-469234.js b/js/src/tests/js1_7/extensions/regress-469234.js
new file mode 100644
index 000000000..52ca30bf0
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-469234.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 469234;
+var summary = 'TM: Do not assert: !JS_ON_TRACE(cx)';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  for(var j=0;j<3;++j)({__proto__:[]}).__defineSetter__('x',function(){});
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-469405-01.js b/js/src/tests/js1_7/extensions/regress-469405-01.js
new file mode 100644
index 000000000..82172c3d3
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-469405-01.js
@@ -0,0 +1,27 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 469405;
+var summary = 'Do not assert: !regs.sp[-2].isPrimitive()';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+try
+{ 
+  (function() {
+    var a, b;
+    for each (a in [{}, {__iterator__: function(){}}]) for (b in a) { }
+  })();
+}
+catch(ex)
+{
+  print('caught ' + ex);
+}
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/regress-469405-02.js b/js/src/tests/js1_7/extensions/regress-469405-02.js
new file mode 100644
index 000000000..196557e69
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-469405-02.js
@@ -0,0 +1,25 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 469405;
+var summary = 'Do not assert: !regs.sp[-2].isPrimitive()';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+try
+{ 
+  eval("__proto__.__iterator__ = [].toString");
+  for (var z = 0; z < 3; ++z) { if (z % 3 == 2) { for(let y in []); } }
+}
+catch(ex)
+{
+  print('caught ' + ex);
+}
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/regress-470300-01.js b/js/src/tests/js1_7/extensions/regress-470300-01.js
new file mode 100644
index 000000000..6558330d1
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-470300-01.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 470300;
+var summary = 'TM: Do not assert: StackBase(fp) + blockDepth == regs.sp';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+
+  for (let a = 0; a < 3; ++a) { let b = '' + []; }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-470300-02.js b/js/src/tests/js1_7/extensions/regress-470300-02.js
new file mode 100644
index 000000000..0ecd368ff
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-470300-02.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 470300;
+var summary = 'TM: Do not assert: !fp->blockChain || OBJ_GET_PARENT(cx, obj) == fp->blockChain';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+
+  for (let a = 0; a < 7; ++a) { let e = 8; if (a > 3) { let x; } }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-473282.js b/js/src/tests/js1_7/extensions/regress-473282.js
new file mode 100644
index 000000000..c50ac9234
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-473282.js
@@ -0,0 +1,20 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 473282;
+var summary = 'Do not assert: thing';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+this.watch("b", "".substring);
+this.__defineGetter__("a", gc);
+for each (b in [this, null, null]);
+a;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/regress-474771-01.js b/js/src/tests/js1_7/extensions/regress-474771-01.js
new file mode 100644
index 000000000..ca754ba2c
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-474771-01.js
@@ -0,0 +1,32 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 474771;
+var summary = 'TM: do not assert: jumpTable == interruptJumpTable';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  var o = {};
+  o.__defineSetter__('x', function(){});
+  for (let j = 0; j < 4; ++j) o.x = 3;
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-474771-02.js b/js/src/tests/js1_7/extensions/regress-474771-02.js
new file mode 100644
index 000000000..127351858
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-474771-02.js
@@ -0,0 +1,20 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 474771;
+var summary = 'TM: do not assert: jumpTable == interruptJumpTable';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+
+this.__defineSetter__('x', function(){});
+for (var j = 0; j < 5; ++j) { x = 3; }
+
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/regress-476257.js b/js/src/tests/js1_7/extensions/regress-476257.js
new file mode 100644
index 000000000..6f2852590
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-476257.js
@@ -0,0 +1,57 @@
+// |reftest| skip-if(Android)
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 476257;
+var summary = 'Do not assert: !JS_ON_TRACE(cx)';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+
+function f1() {
+  try
+  {
+    Object.defineProperty(__proto__, "functional",
+    {
+      enumerable: true, configurable: true,
+      get: function ()
+      {
+        if (typeof gczeal == 'function') { gczeal(0); }
+      }
+    });
+    for each (let [[]] in [true, new Boolean(true), new Boolean(true)]) {}
+  }
+  catch(ex)
+  {
+  }
+}
+
+function f2() {
+  try
+  {
+    Object.defineProperty(__proto__, "functional",
+    {
+      enumerable: true, configurable: true,
+      get: function () 
+      { 
+        if (typeof dis == 'function') { dis(); } 
+      }
+    });
+    for each (let [[]] in [true, new Boolean(true), new Boolean(true)]) {}
+  }
+  catch(ex)
+  {
+  }
+}
+
+f1();
+f2();
+
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/extensions/regress-477048.js b/js/src/tests/js1_7/extensions/regress-477048.js
new file mode 100644
index 000000000..638f9f035
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-477048.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 477048;
+var summary = 'Do not assert: cg->stackDepth == loopDepth';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  try
+  {
+    for each (this.__proto__ in x) {}
+  }
+  catch(ex)
+  {
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/extensions/regress-589112.js b/js/src/tests/js1_7/extensions/regress-589112.js
new file mode 100644
index 000000000..db6d1c7c0
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-589112.js
@@ -0,0 +1,6 @@
+
+f = eval("(function(){return x=Iterator(/x/)})")
+for (a in f()) {}
+for (d in x) {}
+
+reportCompare(0, 0, "");
diff --git a/js/src/tests/js1_7/extensions/regress-590813.js b/js/src/tests/js1_7/extensions/regress-590813.js
new file mode 100644
index 000000000..ec701ced5
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-590813.js
@@ -0,0 +1,23 @@
+
+var actual = '';
+var expected = 'A0B1B2C0C1C2';
+
+var x = Iterator([1,2,3], true);
+
+for (var a in x) {
+  actual += 'A' + a;
+  for (var b in x) {
+    actual += 'B' + b;
+  }
+}
+
+var y = Iterator([1,2,3], true);
+
+for (var c in y) {
+  actual += 'C' + c;
+}
+for (var d in y) {
+  actual += 'D' + d;
+}
+
+reportCompare(expected, actual, "Handle nested Iterator iteration right");
diff --git a/js/src/tests/js1_7/extensions/regress-591450.js b/js/src/tests/js1_7/extensions/regress-591450.js
new file mode 100644
index 000000000..f1ebcf675
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-591450.js
@@ -0,0 +1,12 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+/*
+ * This was causing the parser to assert at one point. Now it's not. Yay!
+ */
+function f(a,[x,y],b,[w,z],c) { function b() { } }
+
+reportCompare(0, 0, "don't crash");
diff --git a/js/src/tests/js1_7/extensions/shell.js b/js/src/tests/js1_7/extensions/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/shell.js
diff --git a/js/src/tests/js1_7/geniter/326466-01.js b/js/src/tests/js1_7/geniter/326466-01.js
new file mode 100644
index 000000000..4c9bf1ad3
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/326466-01.js
@@ -0,0 +1,45 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 326466;
+var summary = 'Implement Pythonic generators and iteration protocol support';
+var actual;
+var expect;
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+function fib()
+{
+  var a = 0, b = 1;
+
+  while (true)
+  {
+    yield a;
+    var t = a;
+    a = b;
+    b += t;
+  }
+}
+
+var g = fib();
+
+expect = '[object Generator]';
+actual = g.toString();
+reportCompare(expect, actual, summary);
+
+var actual = [];
+var expect = [0, 1, 1, 2, 3, 5, 8, 13];
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+reportCompare(expect.join(), actual.join(), summary);
+
diff --git a/js/src/tests/js1_7/geniter/browser.js b/js/src/tests/js1_7/geniter/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/browser.js
diff --git a/js/src/tests/js1_7/geniter/builtin-Iterator-function.js b/js/src/tests/js1_7/geniter/builtin-Iterator-function.js
new file mode 100644
index 000000000..01b659e7d
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/builtin-Iterator-function.js
@@ -0,0 +1,89 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "Iterator() test";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function Array_equals(a, b)
+{
+  if (!(a instanceof Array) || !(b instanceof Array))
+    throw new Error("Arguments not both of type Array");
+  if (a.length != b.length)
+    return false;
+  for (var i = 0, sz = a.length; i < sz; i++)
+    if (a[i] !== b[i])
+      return false;
+  return true;
+}
+
+var meow = "meow", oink = "oink", baa = "baa";
+
+var it = Iterator([meow, oink, baa]);
+var it2 = Iterator([meow, oink, baa], true);
+
+try
+{
+  if (!Array_equals(it.next(), [0, meow]))
+    throw [0, meow];
+  if (!Array_equals(it.next(), [1, oink]))
+    throw [1, oink];
+  if (!Array_equals(it.next(), [2, baa]))
+    throw [2, baa];
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it: missing or incorrect StopIteration";
+
+  if (it2.next() != 0)
+    throw "wanted key=0";
+  if (it2.next() != 1)
+    throw "wanted key=1";
+  if (it2.next() != 2)
+    throw "wanted key=2";
+
+  var stopPassed = false;
+  try
+  {
+    it2.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it2: missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/close-returns-undefined.js b/js/src/tests/js1_7/geniter/close-returns-undefined.js
new file mode 100644
index 000000000..a1f81ec5b
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/close-returns-undefined.js
@@ -0,0 +1,20 @@
+function gen() {
+    yield 3;
+}
+
+var g = gen();
+assertEq(g.close(), undefined);
+
+var h = gen();
+assertEq(h.next(), 3);
+var caught = false;
+try {
+    h.next();
+} catch (e) {
+    caught = true;
+    assertEq(e instanceof StopIteration, true);
+}
+assertEq(caught, true);
+assertEq(h.close(), undefined);
+
+reportCompare();
diff --git a/js/src/tests/js1_7/geniter/fibonacci-matrix-generator.js b/js/src/tests/js1_7/geniter/fibonacci-matrix-generator.js
new file mode 100644
index 000000000..e1c9efb13
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/fibonacci-matrix-generator.js
@@ -0,0 +1,64 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "Fibonacci generator by matrix multiplication";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function fib()
+{
+  var init = [1, 0];
+  var mx = [[1, 1], [1, 0]];
+  while (true)
+  {
+    yield init[1];
+    var tmp = [,];
+    tmp[0] =
+      mx[0][0]*init[0] + mx[0][1]*init[1];
+    tmp[1] =
+      mx[1][0]*init[0] + mx[1][1]*init[1];
+    init = tmp;
+  }
+}
+
+var failed = false;
+var it = fib();
+
+try
+{
+  if (it.next() != 0)
+    throw "F_0 failed";
+  if (it.next() != 1)
+    throw "F_1 failed";
+  if (it.next() != 1)
+    throw "F_2 failed";
+  if (it.next() != 2)
+    throw "F_3 failed";
+  if (it.next() != 3)
+    throw "F_4 failed";
+  if (it.next() != 5)
+    throw "F_5 failed";
+  if (it.next() != 8)
+    throw "F_6 failed";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/gen-with-call-obj.js b/js/src/tests/js1_7/geniter/gen-with-call-obj.js
new file mode 100644
index 000000000..90c6f09c5
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/gen-with-call-obj.js
@@ -0,0 +1,36 @@
+var foo;
+
+function gen() {
+    var x = 0;
+    foo = function() { return x++; }
+    for (var i = 0; i < 10; ++i)
+        yield x++;
+}
+
+var j = 0;
+for (i in gen())
+    assertEq(i, j++);
+
+// now mess up the stack
+
+function f1(x) {
+    var a, b, c, d, e, f, g;
+    return x <= 0 ? 0 : f1(x-1);
+}
+f1(10);
+function f2(x) {
+    var a = x, b = x;
+    return x <= 0 ? 0 : f2(x-1);
+}
+f2(10);
+
+// now observe gen's call object (which should have been put)
+
+gc();
+assertEq(foo(), 10);
+gc();
+assertEq(foo(), 11);
+gc();
+assertEq(foo(), 12);
+
+reportCompare(true,true);
diff --git a/js/src/tests/js1_7/geniter/iterator-toString.js b/js/src/tests/js1_7/geniter/iterator-toString.js
new file mode 100644
index 000000000..686ec0c8b
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/iterator-toString.js
@@ -0,0 +1,43 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "gen.toString() omitting 'yield' from value";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function gen()
+{
+  yield 17;
+}
+
+try
+{
+  var str = gen.toString();
+  var index = str.search(/yield/);
+
+  if (index < 0)
+    throw "yield not found in str: " + str;
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/message-value-passing.js b/js/src/tests/js1_7/geniter/message-value-passing.js
new file mode 100644
index 000000000..626c788be
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/message-value-passing.js
@@ -0,0 +1,88 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = 326466;
+var summary = "Generator value/exception passing";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function gen()
+{
+  var rv, rv2, rv3, rv4;
+  rv = yield 1;
+
+  if (rv)
+    rv2 = yield rv;
+  else
+    rv3 = yield 2;
+
+  try
+  {
+    if (rv2)
+      yield rv2;
+    else
+      rv3 = yield 3;
+  }
+  catch (e)
+  {
+    if (e == 289)
+      yield "exception caught";
+  }
+
+  yield 5;
+}
+
+var failed = false;
+var it = gen();
+
+try
+{
+  if (it.next() != 1)
+    throw "failed on 1";
+
+  if (it.send(17) != 17)
+    throw "failed on 17";
+
+  if (it.next() != 3)
+    throw "failed on 3";
+
+  if (it.throw(289) != "exception caught")
+    throw "it.throw(289) failed";
+
+  if (it.next() != 5)
+    throw "failed on 5";
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/multiple-close.js b/js/src/tests/js1_7/geniter/multiple-close.js
new file mode 100644
index 000000000..7864459ef
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/multiple-close.js
@@ -0,0 +1,65 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "calling it.close multiple times is harmless";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function fib()
+{
+  yield 0; // 0
+  yield 1; // 1
+  yield 1; // 2
+  yield 2; // 3
+  yield 3; // 4
+  yield 5; // 5
+  yield 8; // 6
+}
+
+var failed = false;
+var it = fib();
+
+try
+{
+  if (it.next() != 0)
+    throw "0 failed";
+
+  // closing an already-closed generator is a no-op
+  it.close();
+  it.close();
+  it.close();
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+  if (!stopPassed)
+    throw "a closed iterator throws StopIteration on next";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/nested-yield.js b/js/src/tests/js1_7/geniter/nested-yield.js
new file mode 100644
index 000000000..a5a1bf59e
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/nested-yield.js
@@ -0,0 +1,58 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "YieldExpression is and contains an AssignmentExpression";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function gen()
+{
+  yield (yield (yield 7));
+}
+
+var it = gen();
+
+try
+{
+  if (it.next() != 7)
+    throw "7 not yielded";
+  if (it.send(17) != 17)
+    throw "passed-in 17 not yielded";
+  if (it.send(undefined) !== undefined)
+    throw "should be able to yield undefined";
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it: missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/pi-generator.js b/js/src/tests/js1_7/geniter/pi-generator.js
new file mode 100644
index 000000000..5be593ab4
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/pi-generator.js
@@ -0,0 +1,59 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "A (slow) generator of pi";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function pi()
+{
+  var val = 0;
+  var curr = 1;
+  var isNeg = false;
+  while (true)
+  {
+    if (isNeg)
+      yield val -= 4/curr;
+    else
+      yield val += 4/curr;
+    curr += 2;
+    isNeg = !isNeg;
+  }
+}
+
+var failed = false;
+var it = pi();
+
+var vals =
+  [4,
+   4 - 4/3,
+   4 - 4/3 + 4/5,
+   4 - 4/3 + 4/5 - 4/7];
+
+try
+{
+  for (var i = 0, sz = vals.length; i < sz; i++)
+    if (it.next() != vals[i])
+      throw vals[i];
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/regress-345855.js b/js/src/tests/js1_7/geniter/regress-345855.js
new file mode 100644
index 000000000..a88ccd440
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-345855.js
@@ -0,0 +1,93 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 345855;
+var summary = 'Blank yield expressions are not syntax errors';
+var actual = '';
+var expect = 'No Error';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = "SyntaxError";
+  try
+  {
+    eval('(function() {x = 12 + yield;})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary + ': function() {x = 12 + yield;}');
+
+  expect = "SyntaxError";
+  try
+  {
+    eval('(function() {x = 12 + yield 42})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary + ': function() {x = 12 + yield 42}');
+
+  expect = 'No Error';
+  try
+  {
+    eval('(function() {x = 12 + (yield);})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function() {x = 12 + (yield);}');
+
+  try
+  {
+    eval('(function () {foo((yield))})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function () {foo((yield))}');
+
+  try
+  {
+    eval('(function() {x = 12 + (yield 42)})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function() {x = 12 + (yield 42)}');
+
+  try
+  {
+    eval('(function (){foo((yield 42))})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function (){foo((yield 42))}');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-345879-01.js b/js/src/tests/js1_7/geniter/regress-345879-01.js
new file mode 100644
index 000000000..540852a23
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-345879-01.js
@@ -0,0 +1,33 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 345879;
+var summary = 'Crash when calling a function from a generator with less arguments than its arity ';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function gen() {
+    yield isNaN();
+  }
+
+  f = gen();
+  f.next();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-345879-02.js b/js/src/tests/js1_7/geniter/regress-345879-02.js
new file mode 100644
index 000000000..aec3d81a1
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-345879-02.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 345879;
+var summary = 'Crash when calling a function from a generator with less arguments than its arity ';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen() {
+    (yield 5)();
+    yield;
+  }
+  f = gen();
+  f.next();
+  f.send(Function());
+ 
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-347593.js b/js/src/tests/js1_7/geniter/regress-347593.js
new file mode 100644
index 000000000..353d9412c
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-347593.js
@@ -0,0 +1,60 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 347593;
+var summary = 'For-each loop with destructuring assignment';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+  // the expected result was '23'.
+  expect = 'TypeError';
+  actual = '';
+  try {
+    for (let [, { a: b }] in [{ a: 2 }, { a: 3 }]) {
+      actual += b;
+    }
+    reportCompare(expect, actual, summary);
+  } catch (ex) {
+    actual = ex.name;
+  }
+
+  expect = '23';
+  actual = '';
+  for each (let { a: b } in [{ a: 2 }, { a: 3 }])
+  {
+    actual += b;
+  }
+  reportCompare(expect, actual, summary);
+
+  expect = 'TypeError';
+  actual = '';
+  try
+  {
+    for each (let [, { a: b }] in [{ a: 2 }, { a: 3 }])
+    {
+      actual += b;
+    }
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-347739.js b/js/src/tests/js1_7/geniter/regress-347739.js
new file mode 100644
index 000000000..46c749ec7
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-347739.js
@@ -0,0 +1,49 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 347739;
+var summary = 'generator_instance.close readonly and immune';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen_test(test_index)
+  {
+    try {
+      yield 1;
+    } finally {
+      actual += "Inside finally: "+test_index + ' ';
+    }
+  }
+
+  actual = '';
+  expect = 'Inside finally: 1 Inside finally: 2 ';
+
+  var iter1 = gen_test(1);
+  iter1.next();
+  iter1.close = null;
+  iter1 = null;
+  gc();
+
+  var iter2 = gen_test(2);
+  for (i in iter2)
+    iter2.close = null;
+
+  reportCompare(expect, actual, summary + ': 2');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-01.js b/js/src/tests/js1_7/geniter/regress-349012-01.js
new file mode 100644
index 000000000..297b03732
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-01.js
@@ -0,0 +1,52 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349012;
+var summary = 'closing a generator fails to report error if yield during close is ignored';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+if (typeof quit != 'undefined')
+{
+  quit(0);
+}
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = "Inner finally,Outer finally";
+
+  function gen()
+  {
+    try {
+      try {
+        yield 1;
+      } finally {
+        actual += "Inner finally";
+        yield 2;
+      }
+    } finally {
+      actual += ",Outer finally";
+    }
+  }
+
+  var iter = gen();
+  iter.next();
+  iter = null;
+  gc();
+
+  reportCompare(expect, actual, summary);
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-02.js b/js/src/tests/js1_7/geniter/regress-349012-02.js
new file mode 100644
index 000000000..5c78423cd
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-02.js
@@ -0,0 +1,61 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349012;
+var summary = 'generators with nested try finally blocks';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = "[object StopIteration]";
+  var expectyield   = "12";
+  var expectfinally = "Inner finally,Outer finally";
+  var actualyield = "";
+  var actualfinally = "";
+
+  function gen()
+  {
+    try {
+      try {
+        yield 1;
+      } finally {
+        actualfinally += "Inner finally";
+        yield 2;
+      }
+    } finally {
+      actualfinally += ",Outer finally";
+    }
+  }
+
+  var iter = gen();
+  actualyield += iter.next();
+  actualyield += iter.next();
+  try
+  {
+    actualyield += iter.next();
+    actual = "No exception";
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+ 
+  reportCompare(expect, actual, summary);
+  reportCompare(expectyield, actualyield, summary);
+  reportCompare(expectfinally, actualfinally, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-03.js b/js/src/tests/js1_7/geniter/regress-349012-03.js
new file mode 100644
index 000000000..4d1747597
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-03.js
@@ -0,0 +1,42 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349012;
+var summary = 'generator recursively calling itself via send is a TypeError';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen() {
+    var iter = yield;
+    try {
+      iter.send(1);
+    } catch (e) {
+      yield e;
+    }
+  }
+
+  expect = true;
+  var iter = gen();
+  iter.next();
+  var ex = iter.send(iter);
+  print(ex + '');
+  actual = (ex instanceof TypeError);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-04.js b/js/src/tests/js1_7/geniter/regress-349012-04.js
new file mode 100644
index 000000000..705bbd909
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-04.js
@@ -0,0 +1,42 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349012;
+var summary = 'generator recursively calling itself via next is an Error';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen() {
+    var iter = yield;
+    try {
+      iter.next(1);
+    } catch (e) {
+      yield e;
+    }
+  }
+
+  expect = true;
+  var iter = gen();
+  iter.next();
+  var ex = iter.send(iter);
+  print(ex + '');
+  actual = (ex instanceof TypeError);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-05.js b/js/src/tests/js1_7/geniter/regress-349012-05.js
new file mode 100644
index 000000000..5eb442b9a
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-05.js
@@ -0,0 +1,43 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349012;
+var summary = 'generator recursively calling itself via close is an Error';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var iter;
+  function gen() {
+    iter.close();
+    yield 1;
+  }
+
+  expect = /TypeError.*[aA]lready executing generator/;
+  try
+  {
+    iter = gen();
+    var i = iter.next();
+    print("i="+i);
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportMatch(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349023-01.js b/js/src/tests/js1_7/geniter/regress-349023-01.js
new file mode 100644
index 000000000..3eab5eb94
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349023-01.js
@@ -0,0 +1,42 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349023;
+var summary = 'Bogus JSCLASS_IS_EXTENDED in the generator class';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen() {
+    var i = 0;
+    yield i;
+  }
+
+  try
+  {
+    var g = gen();
+    for (var i = 0; i < 10; i++) {
+      print(g.next());
+    }
+  }
+  catch(ex)
+  {
+  }
+ 
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349023-02.js b/js/src/tests/js1_7/geniter/regress-349023-02.js
new file mode 100644
index 000000000..25bde697c
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349023-02.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349023;
+var summary = 'Bogus JSCLASS_IS_EXTENDED in the generator class';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var gen = (function() { yield 3; })();
+  gen.foopy;
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349023-03.js b/js/src/tests/js1_7/geniter/regress-349023-03.js
new file mode 100644
index 000000000..26201061d
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349023-03.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349023;
+var summary = 'Bogus JSCLASS_IS_EXTENDED in the generator class';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var gen = (function() { yield 3; })();
+  var x = (gen ==gen);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349331.js b/js/src/tests/js1_7/geniter/regress-349331.js
new file mode 100644
index 000000000..091fbb1f0
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349331.js
@@ -0,0 +1,95 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349331;
+var summary = 'generator.close without GeneratorExit';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var catch1, catch2, catch3, finally1, finally2, finally3;
+  var iter;
+
+  function gen()
+  {
+    yield 1;
+    try {
+      try {
+        try {
+          yield 1;
+        } catch (e) {
+          catch1 = true;
+        } finally {
+          finally1 = true;
+        }
+      } catch (e) {
+        catch2 = true;
+      } finally {
+        finally2 = true;
+      }
+    } catch (e) {
+      catch3 = true;
+    } finally {
+      finally3 = true;
+    }
+  }
+
+// test explicit close call
+  catch1 = catch2 = catch3 = finally1 = finally2 = finally3 = false;
+  iter = gen();
+  iter.next();
+  iter.next();
+  iter.close();
+
+  var passed = !catch1 && !catch2 && !catch3 && finally1 && finally2 &&
+    finally3;
+
+  if (!passed) {
+    print("Failed!");
+    print("catch1=" + catch1 + " catch2=" + catch2 + " catch3=" +
+	  catch3);
+    print("finally1=" + finally1 + " finally2=" + finally2 +
+	  " finally3=" + finally3);
+  }
+
+  reportCompare(true, passed, 'test explicit close call');
+
+// test GC-invoked close
+  catch1 = catch2 = catch3 = finally1 = finally2 = finally3 = false;
+  iter = gen();
+  iter.next();
+  iter.next();
+  iter = null;
+  gc();
+  gc();
+
+  var passed = !catch1 && !catch2 && !catch3 && finally1 && finally2 &&
+    finally3;
+
+  if (!passed) {
+    print("Failed!");
+    print("catch1=" + catch1 + " catch2=" + catch2 + " catch3=" +
+	  catch3);
+    print("finally1=" + finally1 + " finally2=" + finally2 +
+	  " finally3="+finally3);
+  }
+  reportCompare(true, passed, 'test GC-invoke close');
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349362.js b/js/src/tests/js1_7/geniter/regress-349362.js
new file mode 100644
index 000000000..e87c25d16
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349362.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349362;
+var summary = 'generator toString should be [object Generator]';
+var actual = '';
+var expect = '[object Generator]';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var y = function(){ yield 3};
+  actual = y().toString();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349851.js b/js/src/tests/js1_7/geniter/regress-349851.js
new file mode 100644
index 000000000..efd4ee626
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349851.js
@@ -0,0 +1,36 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 349851;
+var summary = 'decompilation of yield \\n, 3';
+var actual = '';
+var expect = 'SyntaxError';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  // note the newline after yield is required for this test
+  try
+  {
+    var f = eval('function(){ yield \n,3 }');
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-350621.js b/js/src/tests/js1_7/geniter/regress-350621.js
new file mode 100644
index 000000000..60d7d5491
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-350621.js
@@ -0,0 +1,63 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 350621;
+var summary = 'for-in loops over generator objects';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var LOOPS = 500;
+
+  function gen1() {
+    for (var a = 1; a <= LOOPS; ++a)
+      yield;
+  }
+
+  function gen2() {
+    for (var b in gen1())
+      yield;
+  }
+
+  function test_it(RUNS) {
+    for (var c = 1; c <= RUNS; ++c) {
+      var count = 0;
+      for (var d in gen2()) {
+        // The next line is needed to demonstrate the bug.
+        // Note that simply omitting the "x" triggers the bug far less often.
+        Object("x");
+        ++count;
+      }
+      if (count != LOOPS) {
+        print("Test run " + c + ": test failed, count = " + count +
+	      ", should be " + LOOPS);
+        var failed = true;
+      }
+    }
+    actual = !failed;
+    if (!failed)
+    {
+      print("Test passed.");
+    }
+  }
+
+  expect = true;
+  test_it(20);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-350809.js b/js/src/tests/js1_7/geniter/regress-350809.js
new file mode 100644
index 000000000..fd1f600c8
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-350809.js
@@ -0,0 +1,36 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 350809;
+var summary = 'Do not assertion: if yield in xml filtering predicate';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    eval('(function(){ <x/>.(yield 4) })().next();');
+  }
+  catch(ex)
+  {
+    actual = expect =
+      'InternalError: yield not yet supported from filtering predicate';
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-351120.js b/js/src/tests/js1_7/geniter/regress-351120.js
new file mode 100644
index 000000000..e01c2595a
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-351120.js
@@ -0,0 +1,36 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 351120;
+var summary = 'Incorrect error messages with yield expressions';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = /TypeError:.*(is not a function|Cannot find function).*/;
+  actual = '';
+  try
+  {
+    (function() { yield [].z({}); })().next();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportMatch(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-352197.js b/js/src/tests/js1_7/geniter/regress-352197.js
new file mode 100644
index 000000000..7982e12ee
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-352197.js
@@ -0,0 +1,36 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 352197;
+var summary = 'TypeError if yield after return value in a block';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = /TypeError: anonymous generator function returns a value/;
+  try
+  {
+    var gen = eval('(function() { { return 5; } yield 3; })');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportMatch(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-352876.js b/js/src/tests/js1_7/geniter/regress-352876.js
new file mode 100644
index 000000000..600c82899
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-352876.js
@@ -0,0 +1,42 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 352876;
+var summary = 'Do not assert with nested finally return|yield';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = '[object StopIteration]';
+  actual = '';
+  try
+  {
+    var g = (function() {
+	       try { try { } finally { return; } } finally { yield 3; }
+	     })();
+
+    g.next();
+    g.next();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-355834.js b/js/src/tests/js1_7/geniter/regress-355834.js
new file mode 100644
index 000000000..37624fa53
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-355834.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355834;
+var summary = 'new Function("yield")';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = '[object Generator]';
+  var g = (new Function('yield'))(1);
+  actual = g + '';
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-359062.js b/js/src/tests/js1_7/geniter/regress-359062.js
new file mode 100644
index 000000000..9a806d7cf
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-359062.js
@@ -0,0 +1,41 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 359062;
+var summary = 'Access generator local variables from nested functions';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = "Generator string";
+
+  var scope = "Global";
+
+  function gen() {
+    var scope = "Generator";
+    function inner() {
+      actual = scope + " " + typeof scope;
+    }
+    inner();
+    yield;
+  }
+
+  gen().next();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-366941.js b/js/src/tests/js1_7/geniter/regress-366941.js
new file mode 100644
index 000000000..74ee3a937
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-366941.js
@@ -0,0 +1,83 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor: Robert Sayre
+ */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 366941;
+var summary = 'Destructuring enumerations, iterations';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var list1 = [[1,2],[3,4],[5,6]];
+  var list2 = [[1,2,3],[4,5,6],[7,8,9]];
+
+  expect = '1,2;3,4;5,6;';
+  actual = '';
+
+  for each (var [foo, bar] in list1) {
+    actual += foo + "," + bar + ";";
+  }
+
+  reportCompare(expect, actual, summary + ': 1');
+
+  expect = '1,2,3;4,5,6;7,8,9;';
+  actual = '';
+  for each (var [foo, bar, baz] in list2) {
+    actual += foo + "," + bar + "," + baz + ";";
+  }
+
+  reportCompare(expect, actual, summary + ': 2');
+
+  function gen(list) {
+    for each (var test in list) {
+      yield test;
+    }
+  }
+
+  var iter1 = gen(list1);
+
+  expect = '1,2;3,4;5,6;';
+  actual = '';
+
+  for (var [foo, bar] in iter1) {
+    actual += foo + "," + bar + ";";
+  }
+
+  reportCompare(expect, actual, summary + ': 3');
+
+  // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+  // the expected result was a SyntaxError about the for…in loop's lhs.
+  var iter2 = gen(list2);
+  expect = '1,2,3;4,5,6;7,8,9;';
+  actual = '';
+
+  try
+  {
+    eval('for (var [foo, bar, baz] in iter2) {' +
+         'actual += foo + "," + bar + "," + baz + ";";' +
+         '}');
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary + ': 4');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-382335.js b/js/src/tests/js1_7/geniter/regress-382335.js
new file mode 100644
index 000000000..357156ce1
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-382335.js
@@ -0,0 +1,36 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 382335;
+var summary = 'Trampolining threads using generators and iterators';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function make_gen() { yield 1; }
+
+  var gen2 = make_gen();
+
+  gen2.next();
+  gen2.close();
+
+  print(10);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-387871.js b/js/src/tests/js1_7/geniter/regress-387871.js
new file mode 100644
index 000000000..bb5202dae
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-387871.js
@@ -0,0 +1,41 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 387871;
+var summary = 'Do not assert: gen->state != JSGEN_RUNNING && gen->state != JSGEN_CLOSING';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var a = gen();
+
+  try {
+    a.next();
+    throw "a.next() should throw about already invoked generator";
+  } catch (e) {
+    if (!(e instanceof TypeError))
+      throw e;
+  }
+
+  function gen()
+  {
+    for (x in a)
+      yield 1;
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-390918.js b/js/src/tests/js1_7/geniter/regress-390918.js
new file mode 100644
index 000000000..fdd19e2ad
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-390918.js
@@ -0,0 +1,46 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 390918;
+var summary = 'Do not assert: !gen->frame.down" with gc in generator';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function gen()
+  {
+    var c = [1, "x"];
+    gc();
+    try {
+      yield c;
+    } finally {
+      gc();
+    }
+  }
+
+  var iter = gen();
+  var i;
+  for (i in iter) {
+    gc();
+    iter.close();
+  }
+
+  if (!(i.length === 2 && i[0] === 1 && i[1] === "x"))
+    throw "Unexpected yield result: "+i;
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-392310.js b/js/src/tests/js1_7/geniter/regress-392310.js
new file mode 100644
index 000000000..a6edd25f7
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-392310.js
@@ -0,0 +1,42 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 392310;
+var summary = 'send on newborn generator';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  print("See http://developer.mozilla.org/en/docs/New_in_JavaScript_1.7");
+
+  function yielder() {
+    actual = 'before yield';
+    yield;
+    actual = 'after yield';
+  }
+
+  var gen = yielder();
+  expect = 'before yield';
+  gen.send('foo');
+  reportCompare(expect, actual, 'send(value) to newborn generator');
+
+  var gen = yielder();
+  expect = 'before yield';
+  gen.send(undefined);
+  reportCompare(expect, actual, 'send(undefined) to newborn generator');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-466206.js b/js/src/tests/js1_7/geniter/regress-466206.js
new file mode 100644
index 000000000..fc6b2fe9e
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-466206.js
@@ -0,0 +1,38 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 466206;
+var summary = 'Do not crash due to unrooted function variables';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var f;
+
+  function g() {
+    var x = {};
+    f = function () { x.y; };
+    if (0) yield;
+  }
+
+  try { g().next(); } catch (e) {}
+  gc();
+  f();
+ 
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/send-no-rhs.js b/js/src/tests/js1_7/geniter/send-no-rhs.js
new file mode 100644
index 000000000..e37681ba9
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/send-no-rhs.js
@@ -0,0 +1,57 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "|it.send(o)| without an RHS";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function gen()
+{
+  yield 7;
+  yield 3;
+}
+
+var it = gen();
+
+try
+{
+  if (it.next() != 7)
+    throw "7 not yielded";
+  if (it.send(12) != 3)
+    throw "3 not yielded";
+
+  var stopPassed = false;
+  try
+  {
+    it.send(35); // resultant value of |yield 3;|
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it: missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/sequential-yields.js b/js/src/tests/js1_7/geniter/sequential-yields.js
new file mode 100644
index 000000000..b829907b6
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/sequential-yields.js
@@ -0,0 +1,72 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "Sequential yields";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function fib()
+{
+  yield 0; // 0
+  yield 1; // 1
+  yield 1; // 2
+  yield 2; // 3
+  yield 3; // 4
+  yield 5; // 5
+  yield 8; // 6
+}
+
+var failed = false;
+var it = fib();
+
+try
+{
+  if (it.next() != 0)
+    throw "0 failed";
+  if (it.next() != 1)
+    throw "1 failed";
+  if (it.next() != 1)
+    throw "2 failed";
+  if (it.next() != 2)
+    throw "3 failed";
+  if (it.next() != 3)
+    throw "4 failed";
+  if (it.next() != 5)
+    throw "5 failed";
+  if (it.next() != 8)
+    throw "6 failed";
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+  if (!stopPassed)
+    throw "missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/shell.js b/js/src/tests/js1_7/geniter/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/shell.js
diff --git a/js/src/tests/js1_7/geniter/simple-fib.js b/js/src/tests/js1_7/geniter/simple-fib.js
new file mode 100644
index 000000000..51c144ab9
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/simple-fib.js
@@ -0,0 +1,55 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = 326466;  // bug 326466, comment 1
+var summary = "Simple Fibonacci iterator";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function fib()
+{
+  var a = 0, b = 1;
+  while (true)
+  {
+    yield a;
+    var t = a;
+    a = b;
+    b += t;
+  }
+}
+
+var failed = false;
+
+try
+{
+  var g = fib();
+
+  if (g.next() != 0)
+    throw "F_0 = 0";
+  if (g.next() != 1)
+    throw "F_1 = 1";
+  if (g.next() != 1)
+    throw "F_2 = 1";
+  if (g.next() != 2)
+    throw "F_3 = 2";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/throw-after-close.js b/js/src/tests/js1_7/geniter/throw-after-close.js
new file mode 100644
index 000000000..3aef5e306
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/throw-after-close.js
@@ -0,0 +1,90 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "gen.close(); gen.throw(ex) throws ex forever";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function gen()
+{
+  var x = 5, y = 7;
+  var z = x + y;
+  yield z;
+}
+
+var failed = false;
+var it = gen();
+
+try
+{
+  it.close();
+
+  // throw on closed generators just rethrows
+  var doThrow = true;
+  var thrown = "foobar";
+  try
+  {
+    it.throw(thrown);
+  }
+  catch (e)
+  {
+    if (e === thrown)
+      doThrow = false;
+  }
+
+  if (doThrow)
+    throw "it.throw(\"" + thrown + "\") failed";
+
+  // you can throw stuff at a closed generator forever
+  doThrow = true;
+  thrown = "sparky";
+  try
+  {
+    it.throw(thrown);
+  }
+  catch (e)
+  {
+    if (e === thrown)
+      doThrow = false;
+  }
+
+  if (doThrow)
+    throw "it.throw(\"" + thrown + "\") failed";
+
+  // don't execute a yield -- the uncaught exception
+  // exhausted the generator
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "invalid or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/throw-forever.js b/js/src/tests/js1_7/geniter/throw-forever.js
new file mode 100644
index 000000000..2e28b39f9
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/throw-forever.js
@@ -0,0 +1,85 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "gen.throw(ex) returns ex for an exhausted gen";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function gen()
+{
+  var x = 5, y = 7;
+  var z = x + y;
+  yield z;
+}
+
+var failed = false;
+var it = gen();
+
+try
+{
+  // throw works even on newly-initialized generators
+  var thrown = "foobar";
+  var doThrow = true;
+  try
+  {
+    it.throw(thrown);
+  }
+  catch (e)
+  {
+    if (e === thrown)
+      doThrow = false;
+  }
+  if (doThrow)
+    throw "it.throw(\"" + thrown + "\") failed";
+
+  // you can throw stuff at a generator which hasn't
+  // been used yet forever
+  thrown = "baz";
+  doThrow = true;
+  try
+  {
+    it.throw(thrown);
+  }
+  catch (e)
+  {
+    if (e === thrown)
+      doThrow = false;
+  }
+  if (doThrow)
+    throw "it.throw(\"" + thrown + "\") failed";
+
+  // don't execute a yield -- the uncaught exception
+  // exhausted the generator
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/unreachable-yield.js b/js/src/tests/js1_7/geniter/unreachable-yield.js
new file mode 100644
index 000000000..b1338ff64
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/unreachable-yield.js
@@ -0,0 +1,57 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "Iterator with unreachable yield statement";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function gen()
+{
+  // this is still a generator even if yield can't
+  // be invoked, because yield is a syntactical
+  // part of the language
+  if (false)
+    yield "failed";
+}
+
+var failed = false;
+try
+{
+  var it = gen();
+  if (it == undefined)
+    throw "gen() not recognized as generator";
+
+  // no yields to execute
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "incorrect or invalid StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/yield-new.js b/js/src/tests/js1_7/geniter/yield-new.js
new file mode 100644
index 000000000..726da3944
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/yield-new.js
@@ -0,0 +1,28 @@
+const K = 20;
+
+var obj;
+
+var g = new function() {
+    this.x = "puppies";
+    obj = this;
+    for (var i = 0; i < K; ++i)
+        yield i;
+    yield this;
+}
+
+var ct = 0;
+for (var i in g)
+    assertEq((ct < K && ct++ == i) || i == obj, true);
+assertEq(i.x, "puppies");
+
+function g2() {
+    for (var i=0; i<20; i++)
+	yield i;
+}
+var i = 0;
+for (var x of new g2()) {
+    assertEq(i, x);
+    i++;
+}
+
+reportCompare(true,true);
diff --git a/js/src/tests/js1_7/geniter/yield-undefined.js b/js/src/tests/js1_7/geniter/yield-undefined.js
new file mode 100644
index 000000000..5e75fb601
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/yield-undefined.js
@@ -0,0 +1,63 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+// Note that this syntax isn't in the most recently posted ES4 TG1 wiki export,
+// either in the specification parts or in the grammar, so this test might be
+// Spidermonkey-specific.
+var BUGNUMBER     = "(none)";
+var summary = "|yield;| is equivalent to |yield undefined;| ";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function gen()
+{
+  yield 7;
+  yield;
+  yield 3;
+}
+
+var it = gen();
+
+try
+{
+  if (it.next() != 7)
+    throw "7 not yielded";
+  if (it.next() !== undefined)
+    throw "|yield;| should be equivalent to |yield undefined;|";
+  if (it.next() != 3)
+    throw "3 not yielded";
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it: missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/iterable/browser.js b/js/src/tests/js1_7/iterable/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/browser.js
diff --git a/js/src/tests/js1_7/iterable/regress-340526-01.js b/js/src/tests/js1_7/iterable/regress-340526-01.js
new file mode 100644
index 000000000..e3e189278
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-340526-01.js
@@ -0,0 +1,27 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 340526;
+var summary = 'Iterators: cross-referenced objects with close handler can ' +
+  'delay close handler execution';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+try
+{
+  var iter = Iterator({});
+  iter.foo = "bar";
+  for (var i in iter)
+    ;
+}
+catch(ex)
+{
+}
+ 
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/iterable/regress-340526-02.js b/js/src/tests/js1_7/iterable/regress-340526-02.js
new file mode 100644
index 000000000..a94566a3d
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-340526-02.js
@@ -0,0 +1,43 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 340526;
+var summary = 'Iterators: cross-referenced objects with close handler can ' +
+  'delay close handler execution';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+var close_count = 0;
+
+function gen()
+{
+  try {
+    yield 0;
+  } finally {
+    ++close_count;
+  }
+}
+
+var iter1 = gen();
+var iter2 = gen();
+
+iter1.another = iter2;
+iter2.another = iter1;
+
+iter1.next();
+iter2.next();
+
+iter1 = null;
+iter2 = null;
+
+gc();
+
+var expect = 2;
+var actual = close_count;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/iterable/regress-341496.js b/js/src/tests/js1_7/iterable/regress-341496.js
new file mode 100644
index 000000000..9e3a5aa3a
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-341496.js
@@ -0,0 +1,19 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 341496;
+var summary = 'Iterators: check that adding properties does not crash';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+var iter = Iterator({});
+for (var i = 0; i != 10*1000; ++i)
+  iter[i] = i;
+ 
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/iterable/regress-341499.js b/js/src/tests/js1_7/iterable/regress-341499.js
new file mode 100644
index 000000000..7e3d619f1
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-341499.js
@@ -0,0 +1,33 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 341499;
+var summary = 'Iterators: do not assert from close handler when ' +
+  'allocating GC things';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+var someGlobal;
+
+function generator()
+{
+  try {
+    yield 0;
+  } finally {
+    someGlobal = [];
+  }
+}
+
+var iter = generator();
+iter.next();
+iter = null;
+
+gc();
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/iterable/regress-341510.js b/js/src/tests/js1_7/iterable/regress-341510.js
new file mode 100644
index 000000000..27fb73b03
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-341510.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 341510;
+var summary = 'Iterators: crash in close handler with assignment to ' +
+  'nonexistent name';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+function gen(i) {
+  try {
+    yield i;
+  } finally {
+    name_that_does_not_exist_in_the_scope_chain = 1;
+  }
+}
+
+var iter = gen(1);
+iter.next();
+iter = null;
+gc();
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/iterable/regress-341815.js b/js/src/tests/js1_7/iterable/regress-341815.js
new file mode 100644
index 000000000..51cf2ea28
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-341815.js
@@ -0,0 +1,94 @@
+// |reftest| skip-if(!xulRuntime.shell) -- bug xxx - fails to dismiss alert
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 341815;
+var summary = 'Close hook crash';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+var ialert = 0;
+//-----------------------------------------------------------------------------
+//test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var globalToPokeGC = {};
+
+  function make_iterator()
+  {
+    function generator() {
+      try {
+        yield 0;
+      } finally {
+        make_iterator();
+      }
+    }
+    generator().next();
+    globalToPokeGC = {};
+    if (typeof alert != 'undefined')
+    {
+      alert(++ialert);
+    }
+  }
+
+  make_iterator();
+
+  for (var i = 0; i != 50000; ++i) {
+    var x = {};
+  }
+ 
+  print('done');
+
+  setTimeout('checkTest()', 10000);
+
+  exitFunc ('test');
+}
+
+function init()
+{
+  // give the dialog closer time to register
+  setTimeout('test()', 5000);
+}
+
+var lastialert = 0;
+
+function checkTest()
+{
+  // this function is used to check if there
+  // additional alerts are still being fired 
+  // in order to prevent the test from completing
+  // until all alerts have finished.
+
+  if (ialert != lastialert)
+  {
+    lastialert = ialert;
+    setTimeout('checkTest()', 10000);
+    return;
+  }
+
+  reportCompare(expect, actual, summary);
+  gDelayTestDriverEnd = false;
+  jsTestDriverEnd();
+}
+
+if (typeof window != 'undefined')
+{
+  // delay test driver end
+  gDelayTestDriverEnd = true;
+
+  window.addEventListener("load", init, false);
+}
+else
+{
+  reportCompare(expect, actual, summary);
+}
+
diff --git a/js/src/tests/js1_7/iterable/regress-341821.js b/js/src/tests/js1_7/iterable/regress-341821.js
new file mode 100644
index 000000000..03cf79898
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-341821.js
@@ -0,0 +1,83 @@
+// |reftest| skip-if(!xulRuntime.shell) -- bug xxx - fails to dismiss alert
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 341821;
+var summary = 'Close hook crash';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+var ialert = 0;
+
+//-----------------------------------------------------------------------------
+//test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function generator()
+  {
+    try {
+      yield [];
+    } finally {
+      make_iterator();
+    }
+  }
+
+  function make_iterator()
+  {
+    var iter = generator();
+    iter.next();
+    iter = null;
+    if (typeof alert != 'undefined')
+    {
+      alert(++ialert);
+    }
+  }
+
+  make_iterator();
+
+  // Trigger GC through the branch callback.
+  for (var i = 0; i != 50000; ++i) {
+    var x = {};
+  }
+
+  print('done');
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
+
+function init()
+{
+  // give the dialog closer time to register
+  setTimeout('runtest()', 5000);
+}
+
+function runtest()
+{
+  test();
+  reportCompare(expect, actual, summary);
+  gDelayTestDriverEnd = false;
+  jsTestDriverEnd();
+}
+
+if (typeof window != 'undefined')
+{
+  // delay test driver end
+  gDelayTestDriverEnd = true;
+
+  window.addEventListener("load", init, false);
+}
+else
+{
+  reportCompare(expect, actual, summary);
+}
+
diff --git a/js/src/tests/js1_7/iterable/regress-354750-01.js b/js/src/tests/js1_7/iterable/regress-354750-01.js
new file mode 100644
index 000000000..1ad600a78
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-354750-01.js
@@ -0,0 +1,42 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 354750;
+var summary = 'Changing Iterator.prototype.next should not affect default iterator';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  Iterator.prototype.next = function() {
+    throw "This should not be thrown";
+  }
+
+  expect = 'No exception';
+  actual = 'No exception';
+  try
+  {
+    for (var i in [])
+    {
+    }
+  }
+  catch(ex)
+  {
+    actual = ex;
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/iterable/regress-355025.js b/js/src/tests/js1_7/iterable/regress-355025.js
new file mode 100644
index 000000000..6407451c0
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-355025.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355025;
+var summary = 'Test regression from bug 354750 - Iterable()';
+var actual = 'No Error';
+var expect = 'No Error';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  Iterator([]);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/iterable/regress-355075-01.js b/js/src/tests/js1_7/iterable/regress-355075-01.js
new file mode 100644
index 000000000..a3b2e8ad6
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-355075-01.js
@@ -0,0 +1,38 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355075;
+var summary = 'Regression tests from bug 354750';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  options('strict');
+  options('werror');
+ 
+  function f() {
+    this.a = {1: "a", 2: "b"};
+    var dummy;
+    for (var b in this.a)
+      dummy = b;
+  }
+
+  f();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/iterable/regress-355090.js b/js/src/tests/js1_7/iterable/regress-355090.js
new file mode 100644
index 000000000..32f70456a
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-355090.js
@@ -0,0 +1,37 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355090;
+var summary = 'Iterator(8) is a function';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = 'No Error';
+  actual = 'No Error';
+  try
+  {
+    Iterator(8);
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/iterable/regress-415922.js b/js/src/tests/js1_7/iterable/regress-415922.js
new file mode 100644
index 000000000..c7fe29e7b
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-415922.js
@@ -0,0 +1,49 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 415922;
+var summary = 'Support exception from withing JSNewEnumerateOp on JSENUMERATE_NEXT';
+var actual = 'No Error';
+var expect = 'Error: its enumeration failed';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function f() { for (k in it) return k }
+
+  if (typeof it == 'undefined')
+  {
+    print(expect = actual = 'it not defined, test skipped');
+  }
+  else
+  {
+    try 
+    {
+      it.enum_fail = true;
+      var r = f();
+      actual = 'No exception r: ' + r.toString();
+    } 
+    catch (e) 
+    {
+      actual = e + '';
+    } 
+    finally 
+    {
+      it.enum_fail = false;
+    }
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/iterable/regress-568056.js b/js/src/tests/js1_7/iterable/regress-568056.js
new file mode 100644
index 000000000..1f6570d38
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/regress-568056.js
@@ -0,0 +1,24 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+var BUGNUMBER = 568056;
+var summary = "Iterator(obj) must not go up obj's prototype chain";
+
+var foo = {
+    z: 9,
+};
+
+var bar = {
+    __proto__: foo,
+    a: 1,
+    b: 2,
+};
+
+var results = [];
+for each (let [key, value] in Iterator(bar))
+    results.push(key + ":" + value);
+
+var actual = results.join(';')
+var expect = "a:1;b:2";
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/iterable/shell.js b/js/src/tests/js1_7/iterable/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/iterable/shell.js
diff --git a/js/src/tests/js1_7/lexical/browser.js b/js/src/tests/js1_7/lexical/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/lexical/browser.js
diff --git a/js/src/tests/js1_7/lexical/regress-336376-01.js b/js/src/tests/js1_7/lexical/regress-336376-01.js
new file mode 100644
index 000000000..959593e04
--- /dev/null
+++ b/js/src/tests/js1_7/lexical/regress-336376-01.js
@@ -0,0 +1,323 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "336376";
+var summary = "Tests reserved words in contexts in which they are not reserved";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * TEST SETUP *
+ **************/
+
+//
+// New tests go in Tester.prototype._tests.  A test is called with a single
+// argument, the keyword to test in the syntax tested by that test.  Tests
+// should not return anything, and they should signal failure by throwing an
+// explanatory exception and success by not throwing one.
+//
+// If you define a new test, make sure to name it using an informative string
+// for ease of use if any keywords ever manually define the array of tests they
+// should pass, and add it as a string to ALL_TESTS.
+//
+
+// all tests
+const ALL_TESTS =
+  [
+    "CONTEXT_OBJECT_LITERAL_PROPERTY",
+    "CONTEXT_OBJECT_PROPERTY_DOT_REFERENCE",
+    "CONTEXT_OBJECT_PROPERTY_DOT_REFERENCE_IS_FUNCTION",
+    "CONTEXT_OBJECT_PROPERTY_DOT_GET",
+    "CONTEXT_OBJECT_PROPERTY_DOT_SET",
+    ];
+
+function r(keyword, tests)
+{
+  /**
+   * @param keyword
+   *   the keyword as a string
+   * @param tests
+   *   array of test numbers against it, or leave undefined to run all tests
+   *   against it
+   */
+  function Reserved(keyword, tests)
+  {
+    this.keyword = keyword;
+    if (tests)
+      this.tests = tests;
+    else
+      this.tests = ALL_TESTS;
+  }
+  Reserved.prototype =
+    {
+      toString:
+      function()
+      {
+	return "'" + this.keyword + "' being run against tests " +
+	this.tests;
+      }
+    };
+  return new Reserved(keyword, tests);
+}
+
+// ECMA-262, 3rd. ed. keywords -- see 7.5.2
+const ECMA_262_3_KEYWORD =
+  [
+    r("break"),
+    r("case"),
+    r("catch"),
+    r("continue"),
+    r("default"),
+    r("delete"),
+    r("do"),
+    r("else"),
+    r("finally"),
+    r("for"),
+    r("function"),
+    r("if"),
+    r("in"),
+    r("instanceof"),
+    r("new"),
+    r("return"),
+    r("switch"),
+    r("this"),
+    r("throw"),
+    r("try"),
+    r("typeof"),
+    r("var"),
+    r("void"),
+    r("while"),
+    r("with"),
+    ];
+
+// ECMA-262, 3rd. ed. future reserved keywords -- see 7.5.3
+const ECMA_262_3_FUTURERESERVEDKEYWORD =
+  [
+    r("abstract"),
+    r("boolean"),
+    r("byte"),
+    r("char"),
+    r("class"),
+    r("const"),
+    r("debugger"),
+    r("double"),
+    r("enum"),
+    r("export"),
+    r("extends"),
+    r("final"),
+    r("float"),
+    r("goto"),
+    r("implements"),
+    r("import"),
+    r("int"),
+    r("interface"),
+    r("long"),
+    r("native"),
+    r("package"),
+    r("private"),
+    r("protected"),
+    r("public"),
+    r("short"),
+    r("static"),
+    r("super"),
+    r("synchronized"),
+    r("throws"),
+    r("transient"),
+    r("volatile"),
+    ];
+
+// like reserved words, but not quite reserved words
+const PSEUDO_RESERVED =
+  [
+    r("true"),
+    r("false"),
+    r("null"),
+    r("each"),  // |for each|
+    ];
+
+// new-in-ES4 reserved words -- fill this as each is implemented
+const ECMA_262_4_RESERVED_WORDS =
+  [
+    r("let")
+    ];
+
+
+
+/**
+ * @param keyword
+ *   string containing the tested keyword
+ * @param test
+ *   the number of the failing test
+ * @param error
+ *   the exception thrown when running the test
+ */
+function Failure(keyword, test, error)
+{
+  this.keyword = keyword;
+  this.test = test;
+  this.error = error;
+}
+Failure.prototype =
+{
+  toString:
+  function()
+  {
+    return "*** FAILURE on '" + this.keyword + "'!\n" +
+    "* test:     " + this.test + "\n" +
+    "* error:    " + this.error + "\n";
+  }
+};
+
+function Tester()
+{
+  this._failedTests = [];
+}
+Tester.prototype =
+{
+  testReservedWords:
+  function(reservedArray)
+  {
+    var rv;
+    for (var i = 0, sz = reservedArray.length; i < sz; i++)
+    {
+      var res = reservedArray[i];
+      if (!res)
+	continue;
+
+      var tests = res.tests;
+      for (var j = 0, sz2 = tests.length; j < sz2; j++)
+      {
+	var test = tests[j];
+	if (!test)
+	  continue;
+
+	try
+	{
+	  this._tests[test](res.keyword);
+	}
+	catch (e)
+	{
+	  this._failedTests.push(new Failure(res.keyword, test, e));
+	}
+      }
+    }
+  },
+  flushErrors:
+  function ()
+  {
+    if (this._failedTests.length > 0) {
+      var except = "*************************\n" +
+      "* FAILURES ENCOUNTERED! *\n" +
+      "*************************\n";
+      for (var i = 0, sz = this._failedTests.length; i < sz; i++)
+	except += this._failedTests[i];
+      throw except;
+    }
+  },
+  _tests:
+  {
+    CONTEXT_OBJECT_LITERAL_PROPERTY:
+    function(keyword)
+    {
+      try
+      {
+	eval("var o = { " + keyword + ": 17 };\n" +
+	     "if (o['" + keyword + "'] != 17)\n" +
+	     "throw \"o['" + keyword + "'] == 17\";");
+      }
+      catch (e)
+      {
+	throw e;
+      }
+    },
+    CONTEXT_OBJECT_PROPERTY_DOT_REFERENCE:
+    function(keyword)
+    {
+      try
+      {
+	eval("var o = { \"" + keyword + "\": 17, baz: null };\n" +
+	     "if (o." + keyword + " != 17)\n" +
+	     "throw \"o." + keyword + " == 17\";");
+      }
+      catch (e)
+      {
+	throw e;
+      }
+    },
+    CONTEXT_OBJECT_PROPERTY_DOT_REFERENCE_IS_FUNCTION:
+    function(keyword)
+    {
+      try
+      {
+	eval("var o = { '" + keyword + "': function() { return 17; }, baz: null };\n" +
+	     "if (o." + keyword + "() != 17)\n" +
+	     "throw \"o." + keyword + " == 17\";");
+      }
+      catch (e)
+      {
+	throw e;
+      }
+    },
+    CONTEXT_OBJECT_PROPERTY_DOT_GET:
+    function(keyword)
+    {
+      try
+      {
+	var o = {};
+	eval("o['" + keyword + "'] = 17;\n" +
+	     "if (o." + keyword + " != 17)\n" +
+	     "throw \"'o." + keyword + " != 17' failed!\";");
+      }
+      catch (e)
+      {
+	throw e;
+      }
+    },
+    CONTEXT_OBJECT_PROPERTY_DOT_SET:
+    function(keyword)
+    {
+      try
+      {
+	var o = {};
+	eval("o." + keyword + " = 17;\n" +
+	     "if (o['" + keyword + "'] != 17)\n" +
+	     "throw \"'o." + keyword + " = 17' failed!\";");
+      }
+      catch (e)
+      {
+	throw e;
+      }
+    },
+  }
+};
+
+
+/***************
+ * BEGIN TESTS *
+ ***************/
+
+var failed = false;
+
+try
+{
+  var tester = new Tester();
+  tester.testReservedWords(ECMA_262_3_KEYWORD);
+  tester.testReservedWords(ECMA_262_3_FUTURERESERVEDKEYWORD);
+  tester.testReservedWords(PSEUDO_RESERVED);
+  tester.testReservedWords(ECMA_262_4_RESERVED_WORDS);
+  tester.flushErrors();
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/lexical/regress-346642-03.js b/js/src/tests/js1_7/lexical/regress-346642-03.js
new file mode 100644
index 000000000..14f36648b
--- /dev/null
+++ b/js/src/tests/js1_7/lexical/regress-346642-03.js
@@ -0,0 +1,124 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346642;
+var summary = 'decompilation of destructuring assignment';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = 'TypeError: NaN is not a constructor';
+  actual = 'No Crash';
+  try
+  {
+    try { throw 1; } catch(e1 if 0) { } catch(e2 if (new NaN)) { }
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': 1');
+
+  expect = /TypeError: x.t (has no properties|is undefined)/;
+  actual = 'No Crash';
+  try
+  {
+    z = [1];
+    let (x = (undefined ? 3 : z)) { x.t.g }
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportMatch(expect, actual, summary + ': 2');
+
+  expect = /TypeError: x.t (has no properties|is undefined)/;
+  actual = 'No Crash';
+  try
+  {
+    z = [1];
+    new Function("let (x = (undefined ? 3 : z)) { x.t.g }")()
+      }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportMatch(expect, actual, summary + ': 3');
+
+  expect = 'TypeError: b is not a constructor';
+  actual = 'No Crash';
+  try
+  {
+    with({x: (new (b = 1))}) (2).x
+      }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': 4');
+
+  expect = /TypeError: this.zzz (has no properties|is undefined)/;
+  actual = 'No Crash';
+  try
+  {
+    (function(){try { } catch(f) { return; } finally { this.zzz.zzz }})();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportMatch(expect, actual, summary + ': 5');
+
+  expect = 'TypeError: p.z = <x><y/></x> ? 3 : 4 is not a function';
+  actual = 'No Crash';
+  try
+  {
+    (new Function("if(\n({y:5, p: (print).r})) { p={}; (p.z = <x\n><y/></x> ? 3 : 4)(5) }"))();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': 6');
+
+  expect = 'TypeError: xx is not a function';
+  actual = 'No Crash';
+  try
+  {
+    switch(xx) { case 3: case (new ([3].map)): } const xx;
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': 7');
+
+  expect = 'ReferenceError: x.y is not defined';
+  actual = 'No Crash';
+  try
+  {
+    x = {};
+    import x.y;
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': 9');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/lexical/regress-346642-04.js b/js/src/tests/js1_7/lexical/regress-346642-04.js
new file mode 100644
index 000000000..77fe059ce
--- /dev/null
+++ b/js/src/tests/js1_7/lexical/regress-346642-04.js
@@ -0,0 +1,36 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346642;
+var summary = 'decompilation of destructuring assignment';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = 'No Crash';
+  actual = 'No Crash';
+  try
+  {
+    (function() { for (var [a, b] in []) for ([c, d] in []) { } });
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/lexical/regress-351515.js b/js/src/tests/js1_7/lexical/regress-351515.js
new file mode 100644
index 000000000..e68e3da50
--- /dev/null
+++ b/js/src/tests/js1_7/lexical/regress-351515.js
@@ -0,0 +1,97 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 351515;
+var summary = 'Invalid uses of yield, let keywords in js17';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+try
+{
+  expect = "SyntaxError";
+  eval('yield = 1;');
+  actual = 'No Error';
+}
+catch(ex)
+{
+  actual = ex.name;
+}
+reportCompare(expect, actual, summary + ': global: yield = 1');
+
+try
+{
+  expect = "SyntaxError";
+  eval('(function(){yield = 1;})');
+  actual = 'No Error';
+}
+catch(ex)
+{
+  actual = ex.name;
+}
+reportCompare(expect, actual, summary + ': local: yield = 1');
+
+try
+{
+  expect = "No Error";
+  eval('let = 1;');
+  actual = 'No Error';
+}
+catch(ex)
+{
+  actual = ex.name;
+}
+reportCompare(expect, actual, summary + ': global: let = 1');
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    expect = "SyntaxError";
+    eval('function f(yield, let) { return yield+let; }');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary +
+		': function f(yield, let) { return yield+let; }');
+
+  try
+  {
+    expect = "SyntaxError";
+    eval('var yield = 1;');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary + ': function () {var yield;}');
+
+  try
+  {
+    expect = "No Error";
+    eval('var let = 1;');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary + ': function () { var let;}');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/lexical/shell.js b/js/src/tests/js1_7/lexical/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/lexical/shell.js
diff --git a/js/src/tests/js1_7/regexp/browser.js b/js/src/tests/js1_7/regexp/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/regexp/browser.js
diff --git a/js/src/tests/js1_7/regexp/shell.js b/js/src/tests/js1_7/regexp/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/regexp/shell.js
diff --git a/js/src/tests/js1_7/regexp/yflag.js b/js/src/tests/js1_7/regexp/yflag.js
new file mode 100644
index 000000000..079aae304
--- /dev/null
+++ b/js/src/tests/js1_7/regexp/yflag.js
@@ -0,0 +1,88 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 371932;
+var summary = 'ES4 Regular Expression /y flag';
+var actual = '';
+var expect = '';
+
+print('See http://developer.mozilla.org/es4/proposals/extend_regexps.html#y_flag');
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var c;
+  var s = '123456';
+
+  print('Test global flag.');
+
+  var g = /(1)/g;
+  expect = 'captures: 1,1; RegExp.leftContext: ""; RegExp.rightContext: "234561"';
+  actual = 'captures: ' + g.exec('1234561') +
+    '; RegExp.leftContext: "' + RegExp.leftContext +
+    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
+  reportCompare(expect, actual, summary + ' - /(1)/g.exec("1234561") first call');
+
+  expect = 'captures: 1,1; RegExp.leftContext: "123456"; RegExp.rightContext: ""';
+  actual = 'captures: ' + g.exec('1234561') +
+    '; RegExp.leftContext: "' + RegExp.leftContext +
+    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
+  reportCompare(expect, actual, summary + ' - /(1)/g.exec("1234561") second call');
+  var y = /(1)/y;
+ 
+  print('Test sticky flag.');
+
+  /*
+   * calls to reportCompare invoke regular expression matches which interfere
+   * with the test of the sticky flag. Collect expect and actual values prior
+   * to calling reportCompare. Note setting y = /(1)/y resets the lastIndex etc.
+   */
+
+  var y = /(1)/y;
+  var expect4 = 'captures: 1,1; RegExp.leftContext: ""; RegExp.rightContext: "234561"';
+  var actual4 = 'captures: ' + y.exec('1234561') +
+    '; RegExp.leftContext: "' + RegExp.leftContext +
+    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
+
+  var expect5 = 'captures: null; RegExp.leftContext: ""; RegExp.rightContext: "234561"';
+  var actual5 = 'captures: ' + y.exec('1234561') +
+    '; RegExp.leftContext: "' + RegExp.leftContext +
+    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
+
+  reportCompare(expect4, actual4, summary + ' - /(1)/y.exec("1234561") first call');
+  reportCompare(expect5, actual5, summary + ' - /(1)/y.exec("1234561") second call');
+
+  var y = /(1)/y;
+
+  reportCompare(expect5, actual5, summary);
+
+  y = /(1)/y;
+  var expect6 = 'captures: 1,1; RegExp.leftContext: ""; RegExp.rightContext: "123456"';
+  var actual6 = 'captures: ' + y.exec('1123456') +
+    '; RegExp.leftContext: "' + RegExp.leftContext +
+    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
+
+  var expect7 = 'captures: 1,1; RegExp.leftContext: "1"; RegExp.rightContext: "23456"';
+  var actual7 = 'captures: ' + y.exec('1123456') +
+    '; RegExp.leftContext: "' + RegExp.leftContext +
+    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
+
+  reportCompare(expect6, actual6, summary + ' - /(1)/y.exec("1123456") first call');
+  reportCompare(expect7, actual7, summary + ' - /(1)/y.exec("1123456") second call');
+
+  var y = /(1)/y;
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/browser.js b/js/src/tests/js1_7/regress/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/regress/browser.js
diff --git a/js/src/tests/js1_7/regress/regress-350387.js b/js/src/tests/js1_7/regress/regress-350387.js
new file mode 100644
index 000000000..6bdf33dd7
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-350387.js
@@ -0,0 +1,38 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 350387;
+var summary = 'Var declaration and let with same name';
+var actual = '';
+var expect = '';
+
+expect = undefined + '';
+actual = '';
+let (x = 2)
+{
+  var x;
+}
+actual = x + '';
+reportCompare(expect, actual, summary + ': 1');
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = undefined + '';
+  actual = '';
+  (function () { let (x = 2) { var x; } actual = x + ''; })(); 
+  reportCompare(expect, actual, summary + ': 2');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-352640-01.js b/js/src/tests/js1_7/regress/regress-352640-01.js
new file mode 100644
index 000000000..0ed722e41
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-352640-01.js
@@ -0,0 +1,33 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 352640;
+var summary = 'Do not assert: scopeStmt or crash @ js_LexicalLookup';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    new Function("do { with({}) let x; let b; } while( 1 );");
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-352640-02.js b/js/src/tests/js1_7/regress/regress-352640-02.js
new file mode 100644
index 000000000..6336e4e86
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-352640-02.js
@@ -0,0 +1,33 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 352640;
+var summary = 'Do not assert: scopeStmt or crash @ js_LexicalLookup';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    new Function("do { with({}) let x; var b; } while( 1 );");
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-352640-03.js b/js/src/tests/js1_7/regress/regress-352640-03.js
new file mode 100644
index 000000000..0499101b0
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-352640-03.js
@@ -0,0 +1,33 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 352640;
+var summary = 'Do not assert: scopeStmt or crash @ js_LexicalLookup';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    new Function("do { with({}) let x; [2 for each (b in [])]; } while( 1 );");
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-352640-04.js b/js/src/tests/js1_7/regress/regress-352640-04.js
new file mode 100644
index 000000000..477695126
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-352640-04.js
@@ -0,0 +1,33 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 352640;
+var summary = 'Do not assert: scopeStmt or crash @ js_LexicalLookup';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    new Function("switch(w) { case 2: with({}) let y; case 3: }");
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-353079.js b/js/src/tests/js1_7/regress/regress-353079.js
new file mode 100644
index 000000000..2c7fd015f
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-353079.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 353079;
+var summary = 'Do not Assert op == JSOP_LEAVEBLOCKEXPR... with WAY_TOO_MUCH_GC';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  for (let a in [1]) { { let x;
+    for (let y in ((function(id2) { return id2; })( '' ))) { } } }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-355023.js b/js/src/tests/js1_7/regress/regress-355023.js
new file mode 100644
index 000000000..73d055990
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-355023.js
@@ -0,0 +1,31 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355023;
+var summary = 'destructuring assignment optimization';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  Array.prototype[0] = 1024;
+
+  expect = (function(){ var a=[],[x]=a; return x; })();
+  actual = (function(){ var [x]=[]; return x; })();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-355832-01.js b/js/src/tests/js1_7/regress/regress-355832-01.js
new file mode 100644
index 000000000..dccf7e832
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-355832-01.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355832;
+var summary = 'execution of let binding nothing';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = actual = 'No Crash';
+
+  { let [] = []; }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-355832-02.js b/js/src/tests/js1_7/regress/regress-355832-02.js
new file mode 100644
index 000000000..54e1506e4
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-355832-02.js
@@ -0,0 +1,30 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 355832;
+var summary = 'execution of let binding nothing';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = actual = 'No Crash';
+
+  { let [] = []; print(3) } print(4)
+
+			       reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-363040-01.js b/js/src/tests/js1_7/regress/regress-363040-01.js
new file mode 100644
index 000000000..dc081fe45
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-363040-01.js
@@ -0,0 +1,95 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 363040;
+var summary = 'Array.prototype.reduce, Array.prototype.reduceRight';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function f(x,y) { return '(' + x + '+' + y + ')';}
+
+  var testdesc;
+  var arr0elms  = [];
+  var arr1elms = [1];
+  var arr2elms  = [1, 2];
+
+  testdesc = 'Test reduce of empty array without initializer.';
+  try
+  {
+    expect = 'TypeError: reduce of empty array with no initial value';
+    arr0elms.reduce(f);
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
+
+  testdesc = 'Test reduceRight of empty array without initializer.';
+  try
+  {
+    expect = 'TypeError: reduce of empty array with no initial value';
+    arr0elms.reduceRight(f);
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
+
+  testdesc = 'Test reduce of empty array with initial value.';
+  expect = 'a';
+  actual = arr0elms.reduce(f, 'a');
+  reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
+
+  testdesc = 'Test reduceRight of empty array with initial value.';
+  expect = 'a';
+  actual = arr0elms.reduceRight(f, 'a');
+  reportCompare(expect + '', actual + '', testdesc +' : ' + expect);
+
+  testdesc = 'Test reduce of 1 element array with no initializer.';
+  expect = '1';
+  actual = arr1elms.reduce(f);
+  reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
+
+  testdesc = 'Test reduceRight of 1 element array with no initializer.';
+  expect = '1';
+  actual = arr1elms.reduceRight(f);
+  reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
+
+  testdesc = 'Test reduce of 2 element array with no initializer.';
+  expect = '(1+2)';
+  actual = arr2elms.reduce(f);
+  reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
+
+  testdesc = 'Test reduce of 2 element array with initializer.';
+  expect = '((a+1)+2)';
+  actual = arr2elms.reduce(f,'a');
+  reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
+
+  testdesc = 'Test reduceRight of 2 element array with no initializer.';
+  expect = '(2+1)';
+  actual = arr2elms.reduceRight(f);
+  reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
+
+  testdesc = 'Test reduceRight of 2 element array with no initializer.';
+  expect = '((a+2)+1)';
+  actual = arr2elms.reduceRight(f,'a');
+  reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-363040-02.js b/js/src/tests/js1_7/regress/regress-363040-02.js
new file mode 100644
index 000000000..c24e4a605
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-363040-02.js
@@ -0,0 +1,67 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 363040;
+var summary = 'Array.prototype.reduce application in array flattening';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function flatten(arr)
+  {
+    function op(partial, item)
+    {
+      if (item instanceof Array)
+        Array.prototype.push.apply(partial, flatten(item));
+      else
+        partial.push(item);
+
+      return partial;
+    }
+
+    return arr.reduce(op, []);
+  }
+
+  expect = [1, 2, 3];
+  actual = flatten([1, 2, 3]);      // [1, 2, 3]
+  reportCompare(expect + '', actual + '', summary + ': ' + expect);
+
+  expect = [1, 2, 3];
+  actual = flatten([1, [2], 3]);    // [1, 2, 3]
+  reportCompare(expect + '', actual + '', summary + ': ' + expect);
+
+  expect = [2, 3];
+  actual = flatten([[], 2, 3]);     // [2, 3]
+  reportCompare(expect + '', actual + '', summary + ': ' + expect);
+
+  expect = [1, 2, 3];
+  actual = flatten([[1], 2, 3]);    // [1, 2, 3]
+  reportCompare(expect + '', actual + '', summary + ': ' + expect);
+
+  expect = [4];
+  actual = flatten([[[[4]]]]);      // [4]
+  reportCompare(expect + '', actual + '', summary + ': ' + expect);
+
+  expect = [1, 2, 3];
+  actual = flatten([1, [2, [3]]]);  // [1, 2, 3]
+  reportCompare(expect + '', actual + '', summary + ': ' + expect);
+
+  expect = [];
+  actual = flatten([[[[[]]]]]);     // []
+  reportCompare(expect + '', actual + '', summary + ': ' + expect);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-369666-01.js b/js/src/tests/js1_7/regress/regress-369666-01.js
new file mode 100644
index 000000000..1be90603f
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-369666-01.js
@@ -0,0 +1,59 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 369666;
+var summary = 'inner function declaration in let-induced outer ' +
+  'function body gets wrong scope.';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function foo() {
+    let x = 42
+
+      function bar() {
+      return x;
+    }
+
+    return bar;
+  }
+
+  print(foo()());
+
+  baz = false;
+
+  function foo2() {
+    let x = 42
+
+      function bar() {
+      return x;
+    }
+
+    try {
+      if (baz)
+        return bar;
+    } finally {
+      print('finally', x);
+    }
+    return bar;
+  }
+
+  print(foo2()());
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-369666-02.js b/js/src/tests/js1_7/regress/regress-369666-02.js
new file mode 100644
index 000000000..f55b49617
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-369666-02.js
@@ -0,0 +1,63 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 369666;
+var summary = 'inner function declaration in let-induced outer ' +
+  'function body gets wrong scope.';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function foo() {
+    let x = 42
+
+      function bar() {
+      return x;
+    }
+
+    return bar;
+  }
+
+  print(foo()());
+
+  baz = false;
+
+  function foo2() {
+    let x = 42
+
+      function bar() {
+      return x;
+    }
+
+    function bletch() {
+      return x * x;
+    }
+
+    try {
+      if (baz)
+        return bar;
+    } finally {
+      print('finally', x);
+    }
+    return bletch;
+  }
+
+  print(foo2()());
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-372331.js b/js/src/tests/js1_7/regress/regress-372331.js
new file mode 100644
index 000000000..a9a868724
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-372331.js
@@ -0,0 +1,55 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 372331;
+var summary = 'for-in should not bind name too early';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var index;
+  var obj = { index: 1 };
+
+  expect = 'No Error';
+  actual = 'No Error';
+
+  function gen()
+  {
+    delete obj.index;
+    yield 2;
+  }
+
+  with (obj) {
+    for (index in gen());
+  }
+
+  try
+  {
+    if ('index' in obj)
+      throw "for-in binds name to early";
+
+    if (index !== 2)
+      throw "unexpected value of index: "+index;
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-373827-01.js b/js/src/tests/js1_7/regress/regress-373827-01.js
new file mode 100644
index 000000000..01da279f8
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-373827-01.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 373827;
+var summary = 'Do not assert: OBJ_GET_CLASS(cx, obj)->flags & JSCLASS_HAS_PRIVATE';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  { let [] = [{x: function(){}}]; };
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-373827-02.js b/js/src/tests/js1_7/regress/regress-373827-02.js
new file mode 100644
index 000000000..3596feb69
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-373827-02.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 373827;
+var summary = 'Do not assert: OBJ_GET_CLASS(cx, obj)->flags & JSCLASS_HAS_PRIVATE';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    { let [] = [{x: function(){}}]; }; foo;
+  }
+  catch(ex)
+  {
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-375695.js b/js/src/tests/js1_7/regress/regress-375695.js
new file mode 100644
index 000000000..508560ce9
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-375695.js
@@ -0,0 +1,27 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 375695;
+var summary = 'Do not assert: !fp->blockChain || OBJ_GET_PARENT(cx, obj) == fp->blockChain';
+var actual = '';
+var expect = '';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  try { try { throw 1 } catch([] if false) { } } catch(ex) {}
+ 
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-379442.js b/js/src/tests/js1_7/regress/regress-379442.js
new file mode 100644
index 000000000..639523270
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-379442.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 379442;
+var summary = 'Regression from bug 368224';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  reportCompare(expect, actual, summary);
+
+  (function () { ({ y: [] } = {}); });
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-379483.js b/js/src/tests/js1_7/regress/regress-379483.js
new file mode 100644
index 000000000..f9ee84b30
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-379483.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 379483;
+var summary = 'Do not assert: top < ss->printer->script->depth';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  (function () { try { } catch([e]) { [1]; } });
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-385133-01.js b/js/src/tests/js1_7/regress/regress-385133-01.js
new file mode 100644
index 000000000..03b09f535
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-385133-01.js
@@ -0,0 +1,37 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 385133;
+var summary = 'Do not crash due to recursion with watch, setter, delete, generator';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  try
+  { 
+    Object.defineProperty(this, "x", { set: {}.watch, enumerable: true, configurable: true });
+    this.watch('x', 'foo'.split);
+    delete x;
+    function g(){ x = 1; yield; }
+    for (i in g()) { }
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-385133-02.js b/js/src/tests/js1_7/regress/regress-385133-02.js
new file mode 100644
index 000000000..ce429dd15
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-385133-02.js
@@ -0,0 +1,35 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 385133;
+var summary = 'Do not crash due to recursion with watch, setter, delete, generator';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  try
+  { 
+    Object.defineProperty(this, "x", { set: {}.watch, enumerable: true, configurable: true });
+    function g() { x = 1; yield; }
+    g().next();
+  }
+  catch(ex)
+  {
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-385393-05.js b/js/src/tests/js1_7/regress/regress-385393-05.js
new file mode 100644
index 000000000..c642c4ec6
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-385393-05.js
@@ -0,0 +1,44 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 385393;
+var summary = 'Regression test for bug 385393';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function c(gen)
+  {
+    Iterator;    
+
+    "" + gen;
+
+    for (var i in gen())
+      ;
+  }
+
+  function gen()
+  {
+    ({}).hasOwnProperty();
+    yield;
+  }
+
+  c(gen);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-407727-01.js b/js/src/tests/js1_7/regress/regress-407727-01.js
new file mode 100644
index 000000000..f92113f5e
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-407727-01.js
@@ -0,0 +1,17 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 407727;
+var summary = 'let Object global redeclaration';
+var actual = '';
+var expect = 1;
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+let Object = 1;
+actual = Object;
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/regress/regress-407727-02.js b/js/src/tests/js1_7/regress/regress-407727-02.js
new file mode 100644
index 000000000..bcc7a38ab
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-407727-02.js
@@ -0,0 +1,19 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 407727;
+var summary = 'let Object block redeclaration';
+var actual = '';
+var expect = 1;
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+{ 
+  let Object = 1;
+  actual = Object;
+  reportCompare(expect, actual, summary);
+}
diff --git a/js/src/tests/js1_7/regress/regress-407957.js b/js/src/tests/js1_7/regress/regress-407957.js
new file mode 100644
index 000000000..ffd05bd42
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-407957.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 407957;
+var summary = 'Iterator is mutable.';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var obj           = {};
+  var saveIterator  = Iterator;
+
+  Iterator = obj;
+  reportCompare(obj, Iterator, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-410649.js b/js/src/tests/js1_7/regress/regress-410649.js
new file mode 100644
index 000000000..ddd2b2a57
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-410649.js
@@ -0,0 +1,42 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 410649;
+var summary = 'function statement and destructuring parameter name clash';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function f(a) {
+    function a() { }
+    return a;
+  }
+
+  function g([a, b]) {
+    function a() { }
+    return a;
+  }
+
+  expect = 'function';
+  actual = typeof f(1);
+  reportCompare(expect, actual, "type for simple parameter case");
+
+  expect = 'function';
+  actual = typeof g([1, 2]);
+  reportCompare(expect, actual, "type for destructuring parameter case");
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-414553.js b/js/src/tests/js1_7/regress/regress-414553.js
new file mode 100644
index 000000000..6f5139022
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-414553.js
@@ -0,0 +1,25 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 414553;
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+var expected = '1,2,3,4';
+
+let a = 1, [b,c] = [2,3], d = 4;
+var actual = String([a,b,c,d]);
+
+reportCompare(expected, actual, 'destructuring assignment in let');
+
+function f() {
+  {
+    let a = 1, [b,c] = [2,3], d = 4;
+    return String([a,b,c,d]);
+  }
+}
+
+reportCompare(expected, f(), 'destructuring assignment in let inside func');
diff --git a/js/src/tests/js1_7/regress/regress-416601.js b/js/src/tests/js1_7/regress/regress-416601.js
new file mode 100644
index 000000000..197bf29af
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-416601.js
@@ -0,0 +1,37 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 416601;
+var summary = 'Property cache can be left disabled after exit from a generator or trap handler';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function f()
+  {
+    with (Math) {
+      yield 1;
+    }
+  }
+
+  var iter = f();
+  iter.next();
+  iter.close();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-418641.js b/js/src/tests/js1_7/regress/regress-418641.js
new file mode 100644
index 000000000..7d194fc32
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-418641.js
@@ -0,0 +1,80 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 418641;
+var summary = '++ and -- correctness';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+function get_pre_check(operand, op)
+{
+  return "{\n"+
+    "    "+operand+" = I;\n"+
+    "    let tmp = "+op+op+operand+";\n"+
+    "    if ("+operand+" !== Number(I) "+op+" 1)\n"+
+    "        throw Error('"+op+op+operand+" case 1 for '+uneval(I));\n"+
+    "    if (tmp !== "+operand+")\n"+
+    "        throw Error('"+op+op+operand+" case 2 for '+uneval(I));\n"+
+    "}\n";    
+}
+
+function get_post_check(operand, op)
+{
+  return "{\n"+
+    "    "+operand+" = I;\n"+
+    "    let tmp = "+operand+op+op+";\n"+
+    "    if ("+operand+" !== Number(I) "+op+" 1)\n"+
+    "        throw Error('"+operand+op+op+" case 1 for '+uneval(I));\n"+
+    "    if (tmp !== Number(I))\n"+
+    "        throw Error('"+op+op+operand+" case 2 for '+uneval(I));\n"+
+    "}\n";    
+}
+
+function get_check_source(operand)
+{
+  return get_pre_check(operand, '+')+
+    get_pre_check(operand, '-')+
+    get_post_check(operand, '+')+
+    get_post_check(operand, '-');
+}
+
+var arg_check = Function('I', 'a', get_check_source('a'));
+var let_check = Function('I', 'let a;'+get_check_source('a'));
+var var_check = Function('I', 'var a;'+get_check_source('a'));
+
+var my_name;
+var my_obj = {};
+var my_index = 0;
+var name_check = Function('I', get_check_source('my_name'));
+var prop_check = Function('I', get_check_source('my_obj.x'));
+var elem_check = Function('I', get_check_source('my_obj[my_index]'));
+
+var test_values = [0 , 0.5, -0.0, (1 << 30) - 1, 1 - (1 << 30)];
+
+for (let i = 0; i != test_values.length; i = i + 1) {
+  let x = [test_values[i], String(test_values[i])];
+  for (let j = 0; j != x.length; j = j + 1) {
+    try
+    {
+      expect = actual = 'No Error';
+      let test_value = x[j];
+      arg_check(test_value, 0);
+      let_check(test_value);
+      var_check(test_value);
+      name_check(test_value);
+      prop_check(test_value);
+      elem_check(test_value);
+    }
+    catch(ex)
+    {
+      actual = ex + '';
+    }
+    reportCompare(expect, actual, summary + ': ' + i + ', ' + j);
+  }
+}
diff --git a/js/src/tests/js1_7/regress/regress-419803.js b/js/src/tests/js1_7/regress/regress-419803.js
new file mode 100644
index 000000000..aa4b56aad
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-419803.js
@@ -0,0 +1,31 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 419803;
+var summary = 'Do not assert: sprop->parent == scope->lastProp';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function g() { for (var i=0; i<2; ++i) yield ({ p: 5, p: 7 }); }
+  var iter = g();
+  print(uneval(iter.next()));
+  print(uneval(iter.next()));
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-452703.js b/js/src/tests/js1_7/regress/regress-452703.js
new file mode 100644
index 000000000..e86f2625f
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-452703.js
@@ -0,0 +1,19 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 452703;
+var summary = 'Do not assert with JIT: rmask(rr)&FpRegs';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+
+(function() { for(let y in [0,1,2,3,4]) y = NaN; })();
+
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/regress/regress-452960.js b/js/src/tests/js1_7/regress/regress-452960.js
new file mode 100644
index 000000000..8b58fd15a
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-452960.js
@@ -0,0 +1,31 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 452960;
+var summary = 'Do not assert with JIT: !v.isPrimitive()';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  var f = function(){};
+  f.prototype = false;
+  for (let j=0;j<5;++j) { new f; }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-453049.js b/js/src/tests/js1_7/regress/regress-453049.js
new file mode 100644
index 000000000..77ca02a5d
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-453049.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 453049;
+var summary = 'Do not assert with JIT: (*m != JSVAL_INT) || isInt32(*vp)';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+
+  var z = 0; for (let j = 0; j < 5; ++j) { ({p: (-z)}); }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-453051.js b/js/src/tests/js1_7/regress/regress-453051.js
new file mode 100644
index 000000000..706f6c7e1
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-453051.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 453051;
+var summary = 'Do not assert with JIT: !(((*pc == JSOP_GOTO) || (*pc == JSOP_GOTOX)) && (exitType != LOOP_EXIT))';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+
+  for (var p in this){} for (let a in [5,6,7]) for (var b=0;b<1;++b) break;
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-453411.js b/js/src/tests/js1_7/regress/regress-453411.js
new file mode 100644
index 000000000..d3a490ac4
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-453411.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 453411;
+var summary = 'Do not assert with JIT: !cx->executingTrace|!tm->onTrace';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  for (var i in (function(){ for (var j=0;j<4;++j) { yield ""; } })());
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-462071.js b/js/src/tests/js1_7/regress/regress-462071.js
new file mode 100644
index 000000000..8282184bb
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-462071.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 462071;
+var summary = 'Do not assert: !ti->stackTypeMap.matches(ti_other->stackTypeMap)';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+
+  for each (let i in [{}, 0, 0, {}, 0, {}, 0]) { }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-462282.js b/js/src/tests/js1_7/regress/regress-462282.js
new file mode 100644
index 000000000..2ba12998a
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-462282.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 462282;
+var summary = 'Do not assert: !ti->stackTypeMap.matches(ti_other->stackTypeMap)';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+
+  for each (let i in [0, 0, 0, "", 0, 0, "", 0, 0, "", 0]) { }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-462388.js b/js/src/tests/js1_7/regress/regress-462388.js
new file mode 100644
index 000000000..b1f03e61e
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-462388.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 462388;
+var summary = 'Do not assert: JSVAL_TAG(v) == JSVAL_STRING';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+
+  var c = 0, v; for each (let x in ["",v,v,v]) { for (c=0;c<4;++c) { } }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-462407.js b/js/src/tests/js1_7/regress/regress-462407.js
new file mode 100644
index 000000000..236f1aae4
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-462407.js
@@ -0,0 +1,19 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 462407;
+var summary = 'Do not assert: !ti->stackTypeMap.matches(ti_other->stackTypeMap)';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+
+(function f() { for each (let i in [0, {}, 0, 1.5, {}, 0, 1.5, 0, 0]) { }})();
+
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/regress/regress-464403.js b/js/src/tests/js1_7/regress/regress-464403.js
new file mode 100644
index 000000000..c26ab44d3
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-464403.js
@@ -0,0 +1,32 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 464403;
+var summary = 'Do not assert: tm->recorder != NULL';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+
+  print(8);
+  var u = [print, print, function(){}];
+  for each (x in u) for (u.e in [1,1,1,1]);
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-465236.js b/js/src/tests/js1_7/regress/regress-465236.js
new file mode 100644
index 000000000..f446c27a9
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-465236.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 465236;
+var summary = 'TM: Do not assert: we should have converted to numbers already';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  for (let j = 0; j < 2; ++j) null <= null;
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-465424.js b/js/src/tests/js1_7/regress/regress-465424.js
new file mode 100644
index 000000000..dd11d1303
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-465424.js
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 465424;
+var summary = 'TM: issue with post-decrement operator';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = '0,1,2,3,4,';
+
+  for (let j=0;j<5;++j) { jj=j; print(actual += '' + (jj--) + ',') }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-465484.js b/js/src/tests/js1_7/regress/regress-465484.js
new file mode 100644
index 000000000..3f430e137
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-465484.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 465484;
+var summary = 'TM: Do not assert: _allocator.active[FST0] && _fpuStkDepth == -1 || ' +
+  '!_allocator.active[FST0] && _fpuStkDepth == 0';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  for each (let a in [2, 2, 2]) { a %= a; a %= a; }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-465686.js b/js/src/tests/js1_7/regress/regress-465686.js
new file mode 100644
index 000000000..8e92a2914
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-465686.js
@@ -0,0 +1,35 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 465686;
+var summary = 'Do not crash @ tiny_free_list_add_ptr';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  for each (let b in [eval, eval, 4, 4]) { 
+      ++b; 
+      for each (b in [(void 0), (void 0), (void 0), 3, (void 0), 3]) { 
+          b ^= b; 
+          for each (var c in [1/0]) {
+          }
+      } 
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-469239-01.js b/js/src/tests/js1_7/regress/regress-469239-01.js
new file mode 100644
index 000000000..7fa5a7e61
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-469239-01.js
@@ -0,0 +1,36 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 469239;
+var summary = 'TM: Do not assert: entry->kpc == (jsbytecode*) atoms[index]';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  for (let b=0;b<9;++b) {
+    for each (let h in ['', 3, /x/]) {
+	    for each (c in [[], [], [], /x/]) {
+        '' + c;
+	    }
+    }
+  }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-469239-02.js b/js/src/tests/js1_7/regress/regress-469239-02.js
new file mode 100644
index 000000000..4396f83f0
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-469239-02.js
@@ -0,0 +1,36 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 469239;
+var summary = 'TM: Do not assert: ATOM_IS_STRING(atom)';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  for (let b=0;b<9;++b) {
+    for each (let h in [33, 3, /x/]) {
+	for each (c in [[], [], [], /x/]) {
+	    '' + c;
+	  }
+      }
+  }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-470223.js b/js/src/tests/js1_7/regress/regress-470223.js
new file mode 100644
index 000000000..725e22983
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-470223.js
@@ -0,0 +1,38 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 470223;
+var summary = 'TM: Do not crash @ js_NewObjectWithGivenProto';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  function F(A) {
+    for (R = [], s = 0; (m = A.indexOf("m", s++)) >= 0; )
+      R.push([m]);
+    for (i = R.length; i--; ) {
+      let r = R[i];
+      if (r[0]);
+    }
+  }
+  F("m"); F("mm");
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-470388-01.js b/js/src/tests/js1_7/regress/regress-470388-01.js
new file mode 100644
index 000000000..ac18f9b07
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-470388-01.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 470388;
+var summary = 'TM: Do not assert: !(fp->flags & JSFRAME_POP_BLOCKS)';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  for each (let x in [function(){}, new Boolean(false), function(){}]) {}
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/regress-474771.js b/js/src/tests/js1_7/regress/regress-474771.js
new file mode 100644
index 000000000..ae20d2c5d
--- /dev/null
+++ b/js/src/tests/js1_7/regress/regress-474771.js
@@ -0,0 +1,45 @@
+// |reftest| skip-if(Android)
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 474771;
+var summary = 'TM: do not halt execution with gczeal, prototype mangling, for..in';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = 'PASS';
+
+  if (typeof gczeal == 'function')
+  {
+    gczeal(2);
+  }
+
+  Object.prototype.q = 3;
+  for each (let x in [6, 7]) { } print(actual = "PASS");
+ 
+
+  delete Object.prototype.q;
+
+  if (typeof gczeal == 'function')
+  {
+    gczeal(0);
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/regress/shell.js b/js/src/tests/js1_7/regress/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/regress/shell.js
diff --git a/js/src/tests/js1_7/shell.js b/js/src/tests/js1_7/shell.js
new file mode 100644
index 000000000..cc80c5747
--- /dev/null
+++ b/js/src/tests/js1_7/shell.js
@@ -0,0 +1,12 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// NOTE: This only turns on 1.7 in shell builds.  The browser requires the
+//       futzing in js/src/tests/browser.js.
+if (typeof version != 'undefined')
+{
+  version(170);
+}
+
diff --git a/js/src/tests/js1_7/template.js b/js/src/tests/js1_7/template.js
new file mode 100644
index 000000000..089aae2d6
--- /dev/null
+++ b/js/src/tests/js1_7/template.js
@@ -0,0 +1,28 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor: 
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 99999;
+var summary = '';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}