1 files changed, 40 insertions, 0 deletions
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');
+}