Merge bleeding edge up to 9192 into the GC branch.

test/mjsunit/regress/regress-1215.js

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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-// Test that the illegal continue is thrown at parse time.
+// Make sure that the "message" property on Error.prototype
+// has the following descriptor:
+// {writable: true, enumerable: false, and configurable: true}
 
-try {
-  function Crash() { continue;if (Crash) {
-    } } 
-  Crash();
-  assertTrue(false);
-} catch (e) {
-  assertTrue(e instanceof SyntaxError);
-  assertTrue(/continue/.test(e.message));
-}
+var desc = Object.getOwnPropertyDescriptor(Error.prototype, 'message');
+
+assertEquals(desc.writable, true);
+assertEquals(desc.enumerable, false);
+assertEquals(desc.configurable, true);