Propagate exceptions thrown when setting elements.

test/mjsunit/getter-in-prototype.js

 // Copyright 2009 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
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 //     * Redistributions in binary form must reproduce the above
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@@ skipping 30 matching lines @@
   }
 }
 assertThrows("f()");
 
 __proto__ = p;
 function g() {
   eval('1');
   x = 42;
 }
 assertThrows("g()");
+
+p.__defineGetter__(0, function(){});
+
+assertThrows("o[0] = 42");
+
+function f2() {
+  with(o) {
+    this[0] = 42;

[Lasse Reichstein, 2011/02/08 14:17:56]

I would think "this" here refers to the global object, not to "o". Can you say
why this works?

[antonm, 2011/02/08 14:30:21]

Very good catch.  That works as we set p to be a proto of global object above
(ln. 45).  I think I'll just drop this case and reorganize tests slightly.

Thanks a lot.

+  }
+}
+assertThrows("f2()");
+
+__proto__ = p;
+function g2() {
+  this[0] = 42;
+}
+assertThrows("g2()");