diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/extensions/regress-365869.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/extensions/regress-365869.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,79 @@
+/* -*- 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 = 365869;
+var summary = 'strict warning for object literal with duplicate propery names';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  if (!options().match(/strict/))
+  {
+    options('strict');
+  }
+  if (!options().match(/werror/))
+  {
+    options('werror');
+  }
+
+  try
+  {
+    expect = 'SyntaxError: property name a appears more than once in object literal';
+    eval('({a:4, a:5})');
+    // syntax warning, need to eval to catch
+    actual = 'No warning';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+ 
+  reportCompare(expect, actual, summary);
+
+  print('test crash from bug 371292 Comment 3');
+
+  try
+  {
+    expect = 'SyntaxError: property name 1 appears more than once in object literal';
+    eval('({1:1, 1:2})');
+    // syntax warning, need to eval to catch
+    actual = 'No warning';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+ 
+  reportCompare(expect, actual, summary);
+
+
+  print('test crash from bug 371292 Comment 9');
+
+  try
+  {
+    expect = "TypeError: can't redefine non-configurable property '5'";
+    "012345".__defineSetter__(5, function(){});
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary);
+
+
+  exitFunc ('test');
+}