Add m-esr52 at 52.6.0

30 files changed, 566 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/jaeger/inline/bug645645.js b/js/src/jit-test/tests/jaeger/inline/bug645645.js
new file mode 100644
index 000000000..6649b559e
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug645645.js
@@ -0,0 +1,4 @@
+function f() {
+    f = Math.x;
+}
+f();
diff --git a/js/src/jit-test/tests/jaeger/inline/bug645666.js b/js/src/jit-test/tests/jaeger/inline/bug645666.js
new file mode 100644
index 000000000..34fd6822a
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug645666.js
@@ -0,0 +1,16 @@
+function f1() {
+    gc();
+}
+function f2() {
+    with(this) {};
+    f1();
+}
+function f3() {
+    f2();
+}
+function f4() {
+    f3();
+}
+f3();
+f3();
+f4();
diff --git a/js/src/jit-test/tests/jaeger/inline/bug646004.js b/js/src/jit-test/tests/jaeger/inline/bug646004.js
new file mode 100644
index 000000000..8ffb4bd55
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug646004.js
@@ -0,0 +1,9 @@
+function reportCompare (expected, actual, description) {}
+function f()
+{
+  f(f, 0x09AA, 0x09B0, f);
+}
+try {
+  reportCompare ("outer", f(),
+                 "Inner function statement should not have been called.");
+} catch (e) {}
diff --git a/js/src/jit-test/tests/jaeger/inline/bug646480.js b/js/src/jit-test/tests/jaeger/inline/bug646480.js
new file mode 100644
index 000000000..e870e33ef
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug646480.js
@@ -0,0 +1,7 @@
+if (true)
+    function f1() {}; 
+function f2() {
+    var y = -8;
+    return y % 2;
+}
+f2() / 3;
diff --git a/js/src/jit-test/tests/jaeger/inline/bug647973.js b/js/src/jit-test/tests/jaeger/inline/bug647973.js
new file mode 100644
index 000000000..c19797a24
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug647973.js
@@ -0,0 +1,11 @@
+function f(a1, a2, a3, a4) {
+}
+function g(a1, a2) {
+    var d = new Date(0);
+    f();
+    assertEq(typeof d, 'object');
+}
+g();
+gc();
+f(2, 2, 2, f(2, 2, 2, 12 === 12));
+g(false, false);
diff --git a/js/src/jit-test/tests/jaeger/inline/bug651209.js b/js/src/jit-test/tests/jaeger/inline/bug651209.js
new file mode 100644
index 000000000..27e14a17b
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug651209.js
@@ -0,0 +1,11 @@
+var i = 0;
+try { test(); } catch (e) { }
+function test() {
+  var jstop  = 900;
+  var code = '';
+  code+=createCode(i);
+  eval();
+}
+function createCode(i) {
+  jstop+= +  +  + i + " string.';";
+}
diff --git a/js/src/jit-test/tests/jaeger/inline/bug655954.js b/js/src/jit-test/tests/jaeger/inline/bug655954.js
new file mode 100644
index 000000000..f57488b95
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug655954.js
@@ -0,0 +1,5 @@
+// |jit-test| error: TypeError
+foo(); 
+function foo() { 
+    this();
+}
diff --git a/js/src/jit-test/tests/jaeger/inline/bug656221.js b/js/src/jit-test/tests/jaeger/inline/bug656221.js
new file mode 100644
index 000000000..8319bcf83
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug656221.js
@@ -0,0 +1,5 @@
+function f() {
+    var a = [];
+    a.push(a);
+}
+f();
diff --git a/js/src/jit-test/tests/jaeger/inline/bug676491.js b/js/src/jit-test/tests/jaeger/inline/bug676491.js
new file mode 100644
index 000000000..82e6095a0
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug676491.js
@@ -0,0 +1,14 @@
+Array.prototype.__defineSetter__(32, function() { print("Hello from arbitrary JS");});
+var UBound = 0;
+var expect= '';
+var expectedvalues = [];
+for (var j=0; j < 10; j++) {
+  addThis();
+  addThis();
+  addThis();
+  addThis();
+}
+function addThis() {
+  expectedvalues[UBound] = expect;
+  UBound++;
+}
diff --git a/js/src/jit-test/tests/jaeger/inline/bug680759.js b/js/src/jit-test/tests/jaeger/inline/bug680759.js
new file mode 100644
index 000000000..975f9e3b7
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/bug680759.js
@@ -0,0 +1,14 @@
+
+TryToCatch();
+TryToCatch();
+function Thrower( v ) {
+  throw "Caught";
+}
+function Eval( v ) { 
+	SECTION : Thrower(TryToCatch, v, ': 3')
+}
+function TryToCatch( value, expect ) {
+  try {
+    Eval( value )
+  } catch (e) {  }
+}
diff --git a/js/src/jit-test/tests/jaeger/inline/doubleArg.js b/js/src/jit-test/tests/jaeger/inline/doubleArg.js
new file mode 100644
index 000000000..bd4422599
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/doubleArg.js
@@ -0,0 +1,10 @@
+function foo(x, y) {
+  if (y < 0) {}
+  return x * 1000;
+}
+function bar(x, y) {
+  while (false) {}
+  assertEq(foo(x, false), 10500);
+  assertEq(foo(y, false), 11000);
+}
+bar(10.5, 11);
diff --git a/js/src/jit-test/tests/jaeger/inline/mathAbs.js b/js/src/jit-test/tests/jaeger/inline/mathAbs.js
new file mode 100644
index 000000000..b1d077add
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/mathAbs.js
@@ -0,0 +1,31 @@
+
+assertEq(Math.abs(-10), 10);
+assertEq(Math.abs(-2147483648), 2147483648);
+assertEq(Math.abs(2147483648), 2147483648);
+assertEq(Math.abs(-0), 0);
+assertEq(Math.abs(0), 0);
+assertEq(Math.abs(-3.14), 3.14);
+assertEq(Math.abs(NaN), NaN);
+
+/* Inferred as abs(int). */
+function abs1(x) {
+    return Math.abs(x);
+}
+assertEq(abs1(1), 1);
+assertEq(abs1(-1), 1);
+assertEq(abs1(0), 0);
+assertEq(abs1(-123) + abs1(234), 357);
+assertEq(abs1(-2147483648), 2147483648); // recompile to return double
+assertEq(abs1(-2), 2);
+
+/* Inferred as abs(double). */
+function abs2(x) {
+    return Math.abs(x);
+}
+assertEq(abs2(-2.2), 2.2);
+assertEq(abs2(123), 123);
+assertEq(abs2(-456), 456);
+assertEq(abs2(-0), 0);
+assertEq(abs2(1.3), 1.3);
+assertEq(abs2(NaN), NaN);
+
diff --git a/js/src/jit-test/tests/jaeger/inline/mathFloor.js b/js/src/jit-test/tests/jaeger/inline/mathFloor.js
new file mode 100644
index 000000000..1419beb9f
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/mathFloor.js
@@ -0,0 +1,34 @@
+
+assertEq(Math.floor(3.14), 3);
+assertEq(Math.floor(-0), -0);
+assertEq(Math.floor(0), 0);
+assertEq(Math.floor(-1.23), -2);
+assertEq(Math.floor(2147483649), 2147483649);
+assertEq(Math.floor(2147483648.5), 2147483648);
+assertEq(Math.floor(2147483647.1), 2147483647);
+
+/* Inferred as floor(double). */
+function floor1(x) {
+    return Math.floor(x);
+}
+assertEq(floor1(10.3), 10);
+assertEq(floor1(-3.14), -4);
+assertEq(floor1(-0), -0); // recompile to return double
+assertEq(floor1(678.3), 678);
+
+/* Inferred as floor(double). */
+function floor2(x) {
+    return Math.floor(x);
+}
+assertEq(floor2(3.4), 3);
+assertEq(floor2(NaN), NaN); // recompile to return double
+assertEq(floor2(-4.4), -5);
+
+/* Inferred as floor(int). */
+function floor3(x) {
+    return Math.floor(x);
+}
+assertEq(floor3(4), 4);
+assertEq(floor3(-5), -5);
+assertEq(floor3(0), 0);
+
diff --git a/js/src/jit-test/tests/jaeger/inline/mathPow.js b/js/src/jit-test/tests/jaeger/inline/mathPow.js
new file mode 100644
index 000000000..717e087c9
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/mathPow.js
@@ -0,0 +1,35 @@
+
+assertEq(Math.pow(100, 2), 10000);
+assertEq(Math.pow(-Infinity, -0.5), 0);
+assertEq(Math.pow(-Infinity,  0.5), Infinity);
+assertEq(Math.pow(Infinity, -0.5), 0);
+assertEq(Math.pow(Infinity,  0.5), Infinity);
+assertEq(Math.pow(NaN, -0.5), NaN);
+assertEq(Math.pow(NaN,  0.5), NaN);
+assertEq(Math.pow(-3.14, -0.5), NaN);
+assertEq(Math.pow(-1.23,  0.5), NaN);
+assertEq(Math.pow(-0, -0.5), Infinity);
+assertEq(Math.pow(-0,  0.5), 0);
+assertEq(Math.pow(-1, -0.5), NaN);
+assertEq(Math.pow(-1,  0.5), NaN);
+assertEq(Math.pow(0, -0.5), Infinity);
+assertEq(Math.pow(0,  0.5), 0);
+assertEq(Math.pow(1, -0.5), 1);
+assertEq(Math.pow(1,  0.5), 1);
+assertEq(Math.pow(100, -0.5), 0.1);
+assertEq(Math.pow(100,  0.5), 10);
+
+/* Inferred as pow(double, double). */
+function pow1(x) {
+    return Math.pow(x, 0.5);
+}
+assertEq(pow1(100), 10);
+assertEq(pow1(144), 12);
+assertEq(pow1(-0), 0);
+assertEq(pow1(0), 0);
+assertEq(pow1(1), 1);
+assertEq(pow1(-1), NaN);
+assertEq(pow1(NaN), NaN);
+assertEq(pow1(-Infinity), Infinity);
+assertEq(pow1(Infinity), Infinity);
+
diff --git a/js/src/jit-test/tests/jaeger/inline/mathRound.js b/js/src/jit-test/tests/jaeger/inline/mathRound.js
new file mode 100644
index 000000000..60a59e202
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/mathRound.js
@@ -0,0 +1,41 @@
+
+assertEq(Math.round(3.14), 3);
+assertEq(Math.round(0.5), 1);
+assertEq(Math.round(-0), -0);
+assertEq(Math.round(0), 0);
+assertEq(Math.round(-1.03), -1);
+assertEq(Math.round(2147483649), 2147483649);
+assertEq(Math.round(2147483647.5), 2147483648);
+assertEq(Math.floor(2147483647.1), 2147483647);
+
+/* Inferred as round(double). */
+function round1(x) {
+    return Math.round(x);
+}
+assertEq(round1(10.3), 10);
+assertEq(round1(-3.14), -3);
+assertEq(round1(-3.5), -3);
+assertEq(round1(-3.6), -4);
+assertEq(round1(3.5), 4);
+assertEq(round1(3.6), 4);
+assertEq(round1(0), 0);
+assertEq(round1(-0), -0); // recompile to return double
+assertEq(round1(12345), 12345);
+assertEq(round1(654.6), 655);
+
+/* Inferred as round(double). */
+function round2(x) {
+    return Math.round(x);
+}
+assertEq(round2(1234.5), 1235);
+assertEq(round2(NaN), NaN); // recompile to return double
+assertEq(round2(4.6), 5);
+
+/* Inferred as round(int). */
+function round3(x) {
+    return Math.round(x);
+}
+assertEq(round3(4), 4);
+assertEq(round3(-5), -5);
+assertEq(round3(0), 0);
+
diff --git a/js/src/jit-test/tests/jaeger/inline/mathSqrt.js b/js/src/jit-test/tests/jaeger/inline/mathSqrt.js
new file mode 100644
index 000000000..340149942
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/mathSqrt.js
@@ -0,0 +1,29 @@
+
+assertEq(Math.sqrt(-Infinity), NaN);
+assertEq(Math.sqrt(-3.14), NaN);
+assertEq(Math.sqrt(-2), NaN);
+assertEq(Math.sqrt(-0), -0);
+assertEq(Math.sqrt(0), 0);
+assertEq(Math.sqrt(2), Math.SQRT2);
+assertEq(Math.sqrt(49), 7);
+assertEq(Math.sqrt(Infinity), Infinity);
+
+/* Inferred as sqrt(double). */
+function sqrt1(x) {
+    return Math.sqrt(x);
+}
+assertEq(sqrt1(NaN), NaN);
+assertEq(sqrt1(-Infinity), NaN);
+assertEq(sqrt1(Infinity), Infinity);
+assertEq(sqrt1(-0), -0);
+assertEq(sqrt1(2), Math.SQRT2);
+assertEq(sqrt1(16), 4);
+
+/* Inferred as sqrt(int). */
+function sqrt2(x) {
+    return Math.sqrt(x);
+}
+assertEq(sqrt2(4), 2);
+assertEq(sqrt2(169), 13);
+assertEq(sqrt2(0), 0);
+
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-01.js b/js/src/jit-test/tests/jaeger/inline/scripted-01.js
new file mode 100644
index 000000000..f6a585d05
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-01.js
@@ -0,0 +1,17 @@
+function bar(x, y) {
+  return x + y;
+}
+
+function foo(x, y) {
+  var a = 0;
+  for (var i = 0; i < 1000; i++) {
+    a += bar(x, y);
+    a += bar(x, y);
+    a += bar(x, y);
+    a += bar(x, y);
+  }
+  return a;
+}
+
+var q = foo(0, 1);
+assertEq(q, 4000);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-02.js b/js/src/jit-test/tests/jaeger/inline/scripted-02.js
new file mode 100644
index 000000000..fede7f494
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-02.js
@@ -0,0 +1,22 @@
+function getter(a, i) {
+  return a[i];
+}
+
+function foo(a, n) {
+  var res = 0;
+  for (var i = 0; i < 10; i++) {
+    res = 0;
+    for (var j = 0; j < n; j++) {
+      res += getter(a, j);
+    }
+  }
+  return res;
+}
+
+var n = 100;
+var a = Array(n);
+for (var i = 0; i < n; i++)
+  a[i] = i;
+
+var q = foo(a, n);
+assertEq(q, 4950);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-03.js b/js/src/jit-test/tests/jaeger/inline/scripted-03.js
new file mode 100644
index 000000000..f54c1c66d
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-03.js
@@ -0,0 +1,14 @@
+function choose(x, y, z) {
+  return x ? y : z;
+}
+
+function foo(x, y, z) {
+  var a = 0;
+  for (var i = 0; i < 100; i++) {
+    a += choose(x, y, z);
+  }
+  return a;
+}
+
+var q = foo(true, 10, 0);
+assertEq(q, 1000);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-04.js b/js/src/jit-test/tests/jaeger/inline/scripted-04.js
new file mode 100644
index 000000000..d2f8535bc
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-04.js
@@ -0,0 +1,12 @@
+function adder(x, y) {
+  return x + y;
+}
+
+function foo(x) {
+  for (var i = 0; i < 100; i++)
+    var a = adder(x, i);
+  return a;
+}
+
+var q = foo(0x7ffffff0);
+assertEq(q, 2147483731);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-05.js b/js/src/jit-test/tests/jaeger/inline/scripted-05.js
new file mode 100644
index 000000000..b763fb364
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-05.js
@@ -0,0 +1,13 @@
+function adder(x, y) {
+  return Math.floor(x + y);
+}
+
+function foo(x) {
+  for (var i = 0; i < 100; i++) {
+    var a = adder(x, i);
+  }
+  return a;
+}
+
+var q = foo(0x7ffffff0 + .5);
+assertEq(q, 2147483731);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-06.js b/js/src/jit-test/tests/jaeger/inline/scripted-06.js
new file mode 100644
index 000000000..074bb5201
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-06.js
@@ -0,0 +1,17 @@
+function popper(a) {
+  return a.pop();
+}
+
+function foo(x) {
+  for (var i = 0; i < 10; i++) {
+    var q = popper(x);
+    if (i < 5)
+      assertEq(q, 5 - i);
+    else
+      assertEq(q, undefined);
+  }
+  return q;
+}
+
+var q = foo([1,2,3,4,5]);
+assertEq(q, undefined);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-07.js b/js/src/jit-test/tests/jaeger/inline/scripted-07.js
new file mode 100644
index 000000000..dfe076a65
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-07.js
@@ -0,0 +1,15 @@
+function multiple(a) {
+  if (a > 10)
+    return 1;
+  return 0;
+}
+
+function foo(x) {
+  var a = 0;
+  for (var i = 0; i < 100; i++)
+    a += multiple(i);
+  return a;
+}
+
+var q = foo([1,2,3,4,5]);
+assertEq(q, 89);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-08.js b/js/src/jit-test/tests/jaeger/inline/scripted-08.js
new file mode 100644
index 000000000..22198388e
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-08.js
@@ -0,0 +1,21 @@
+function first(a, b) {
+  return second(a, b);
+}
+
+function second(a, b) {
+  return third(a, b, a + b);
+}
+
+function third(a, b, c) {
+  return a + b + c;
+}
+
+function foo(x) {
+  var a = 0;
+  for (var i = 0; i < 100; i++)
+    a += first(x, i);
+  return a;
+}
+
+var q = foo(10);
+assertEq(q, 11900);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-09.js b/js/src/jit-test/tests/jaeger/inline/scripted-09.js
new file mode 100644
index 000000000..e970b77e4
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-09.js
@@ -0,0 +1,19 @@
+function multiple(a) {
+  if (a > 10)
+    return a * 20;
+  return 0;
+}
+
+function deeper(a, b) {
+  return multiple(a + b);
+}
+
+function foo() {
+  var a = 0;
+  for (var i = 0; i < 10; i++)
+    a += deeper(0x7ffffff0, i);
+  return a;
+}
+
+var q = foo();
+assertEq(q, 429496727300);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-10.js b/js/src/jit-test/tests/jaeger/inline/scripted-10.js
new file mode 100644
index 000000000..492d055e8
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-10.js
@@ -0,0 +1,13 @@
+function copied(x, y) {
+  return x + y;
+}
+
+function foo(x) {
+  var a = 0;
+  for (var i = 0; i < 100; i++)
+    a += copied(x, x);
+  return a;
+}
+
+var q = foo(5);
+assertEq(q, 1000);
diff --git a/js/src/jit-test/tests/jaeger/inline/scripted-11.js b/js/src/jit-test/tests/jaeger/inline/scripted-11.js
new file mode 100644
index 000000000..750add398
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/scripted-11.js
@@ -0,0 +1,12 @@
+what = 0;
+
+function f(x) {
+  g(x);
+}
+
+function g(x) {
+  eval("what = true");
+}
+
+f(10);
+assertEq(what, true);
diff --git a/js/src/jit-test/tests/jaeger/inline/stringCharAt.js b/js/src/jit-test/tests/jaeger/inline/stringCharAt.js
new file mode 100644
index 000000000..bf2bbbd67
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/stringCharAt.js
@@ -0,0 +1,49 @@
+
+assertEq("foo".charAt(-123), "");
+assertEq("foo".charAt(-1), "");
+assertEq("foo".charAt(0), "f");
+assertEq("foo".charAt(1), "o");
+assertEq("foo".charAt(2), "o");
+assertEq("foo".charAt(3.4), "");
+assertEq("foo".charAt(), "f");
+assertEq("".charAt(), "");
+assertEq("".charAt(0), "");
+assertEq("abc\u9123".charAt(3), "\u9123"); // char without unit string
+
+/* Inferred as string.charAt(int). */
+function charAt1(x) {
+    return "abc".charAt(x);
+}
+assertEq(charAt1(-1), "");
+assertEq(charAt1(0), "a");
+assertEq(charAt1(1), "b");
+assertEq(charAt1(2), "c");
+assertEq(charAt1(3), "");
+assertEq(charAt1(1234), "");
+
+/* Inferred as string.charAt(double). */
+function charAt2(x) {
+    return "abc".charAt(x);
+}
+assertEq(charAt2(-1.3), "");
+assertEq(charAt2(-0), "a");
+assertEq(charAt2(2), "c");
+assertEq(charAt2(2.3), "c");
+assertEq(charAt2(3.14), "");
+assertEq(charAt2(NaN), "a");
+
+/* Test ropes. */
+function charAt3(s, i) {
+    var s2 = "abcdef" + s + "12345";
+    return s2.charAt(i);
+}
+assertEq(charAt3("abcdef", 14), "3");
+assertEq(charAt3("a" + "b", 1), "b");
+assertEq(charAt3("abcdefg" + "hijklmnop", 10), "e");
+
+/* Other 'this'. */
+var arr = [1, 2];
+arr.charAt = String.prototype.charAt;
+assertEq(arr.charAt(1), ",");
+
+
diff --git a/js/src/jit-test/tests/jaeger/inline/stringCharCodeAt.js b/js/src/jit-test/tests/jaeger/inline/stringCharCodeAt.js
new file mode 100644
index 000000000..3f0bfe2cf
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/stringCharCodeAt.js
@@ -0,0 +1,47 @@
+
+assertEq("foo".charCodeAt(-123), NaN);
+assertEq("foo".charCodeAt(-0), 102);
+assertEq("foo".charCodeAt(0), 102);
+assertEq("foo".charCodeAt(2), 111);
+assertEq("foo".charCodeAt(3.4), NaN);
+assertEq("foo".charCodeAt(), 102);
+assertEq("".charCodeAt(), NaN);
+assertEq("".charCodeAt(0), NaN);
+
+/* Inferred as string.charCodeAt(int). */
+function charCodeAt1(x) {
+    return "abc".charCodeAt(x);
+}
+assertEq(charCodeAt1(-1), NaN);
+assertEq(charCodeAt1(0), 97);
+assertEq(charCodeAt1(1), 98);
+assertEq(charCodeAt1(2), 99);
+assertEq(charCodeAt1(3), NaN);
+assertEq(charCodeAt1(1234), NaN);
+
+/* Inferred as string.charCodeAt(double). */
+function charCodeAt2(x) {
+    return "abc".charCodeAt(x);
+}
+assertEq(charCodeAt2(-1.3), NaN);
+assertEq(charCodeAt2(-0), 97);
+assertEq(charCodeAt2(2), 99);
+assertEq(charCodeAt2(2.3), 99);
+assertEq(charCodeAt2(3.14), NaN);
+assertEq(charCodeAt2(NaN), 97);
+
+/* Test ropes. */
+function charCodeAt3(s, i) {
+    var s2 = "abcdef" + s + "12345";
+    return s2.charCodeAt(i);
+}
+assertEq(charCodeAt3("abcdef", 14), 51);
+assertEq(charCodeAt3("a" + "b", 1), 98);
+assertEq(charCodeAt3("abcdefg" + "hijklmnop", 10), 101);
+
+/* Other 'this'. */
+var n = new Number(123);
+n.charCodeAt = String.prototype.charCodeAt;
+assertEq(n.charCodeAt(1), 50);
+
+
diff --git a/js/src/jit-test/tests/jaeger/inline/undefinedLocal.js b/js/src/jit-test/tests/jaeger/inline/undefinedLocal.js
new file mode 100644
index 000000000..f6fb12996
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/inline/undefinedLocal.js
@@ -0,0 +1,19 @@
+
+function bar(n) {
+  var a;
+  if (n < 50)
+    a = n;
+  return a;
+}
+
+function foo() {
+  for (var i = 0; i < 100; i++) {
+    var q = bar(i);
+    if (i < 50)
+      assertEq(q, i);
+    else
+      assertEq(q, undefined);
+  }
+}
+
+foo();