swap in global proxy on accessors

test/cctest/test-accessors.cc

 // Copyright 2012 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
@@ skipping 588 matching lines @@
   LocalContext switch_context;
   switch_context->Global()->Set(v8_str("fun"), fun);
   v8::TryCatch try_catch;
   expected_current_context = env.local();
   expected_calling_context = switch_context.local();
   CompileRun(
       "var o = Object.create(null, { n: { get:fun } });"
       "for (var i = 0; i < 10; i++) o.n;");
   CHECK(!try_catch.HasCaught());
 }
+
+
+THREADED_TEST(GlobalObjectAccessor) {
+  LocalContext env;
+  v8::Isolate* isolate = env->GetIsolate();
+  v8::HandleScope scope(isolate);
+  CompileRun(
+      "var set_value = 1;"
+      "Object.defineProperty(this.__proto__, 'x', {"
+      "    get : function() { return this; },"
+      "    set : function() { set_value = this; }"
+      "});"
+      "function getter() { return x; }"
+      "function setter() { x = 1; }"
+      "for (var i = 0; i < 4; i++) { getter(); setter(); }");
+  CHECK(v8::Utils::OpenHandle(*CompileRun("getter()"))->IsJSGlobalProxy());
+  CHECK(v8::Utils::OpenHandle(*CompileRun("set_value"))->IsJSGlobalProxy());
+}