Extend the interceptor setter ASSERT to support the JSGlobalProxy case.

src/stub-cache.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/ast.h"
 #include "src/code-stubs.h"
@@ skipping 588 matching lines @@
 }
 
 
 RUNTIME_FUNCTION(StoreInterceptorProperty) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 3);
   StoreIC ic(IC::NO_EXTRA_FRAME, isolate);
   Handle<JSObject> receiver = args.at<JSObject>(0);
   Handle<Name> name = args.at<Name>(1);
   Handle<Object> value = args.at<Object>(2);
-  ASSERT(receiver->HasNamedInterceptor());
+#ifdef DEBUG
+  if (receiver->IsJSGlobalProxy()) {
+    PrototypeIterator iter(isolate, receiver);
+    ASSERT(iter.IsAtEnd() ||
+           Handle<JSGlobalObject>::cast(PrototypeIterator::GetCurrent(iter))
+               ->HasNamedInterceptor());
+  } else {
+    ASSERT(receiver->HasNamedInterceptor());
+  }
+#endif
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, result,
       JSObject::SetProperty(receiver, name, value, ic.strict_mode()));
   return *result;
 }
 
 
 RUNTIME_FUNCTION(KeyedLoadPropertyWithInterceptor) {
   HandleScope scope(isolate);
@@ skipping 813 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal