1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/js1_5/extensions/regress-351973.js b/js/src/tests/js1_5/extensions/regress-351973.js
new file mode 100644
index 000000000..008db6353
--- /dev/null
+++ b/js/src/tests/js1_5/extensions/regress-351973.js
@@ -0,0 +1,51 @@
+/* -*- 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 = 351973;
+var summary = 'GC hazard with unrooted ids in Object.toSource';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function removeAllProperties(o)
+  {
+    for (var prop in o)
+      delete o[prop];
+    for (var i = 0; i != 50*1000; ++i) {
+      var tmp = Math.sqrt(i+0.2);
+      tmp = 0;
+    }
+    if (typeof gc == "function")
+      gc();
+  }
+
+  function run_test()
+  {
+
+    var o = {};
+    o.first = { toSource: function() { removeAllProperties(o); } };
+    for (var i = 0; i != 10; ++i) {
+      o[Math.sqrt(i + 0.1)] = 1;
+    }
+    return o.toSource();
+  }
+
+  print(run_test());
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}