Revert "Allow ICs to be generated for own global proxy."

src/isolate.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 760 matching lines @@
         native_context->security_token())
       return YES;
   }
 
   return UNKNOWN;
 }
 
 
 bool Isolate::MayNamedAccess(JSObject* receiver, Object* key,
                              v8::AccessType type) {
-  ASSERT(receiver->IsJSGlobalProxy() || receiver->IsAccessCheckNeeded());
+  ASSERT(receiver->IsAccessCheckNeeded());
 
   // The callers of this method are not expecting a GC.
   DisallowHeapAllocation no_gc;
 
   // Skip checks for hidden properties access.  Note, we do not
   // require existence of a context in this case.
   if (key == heap_.hidden_string()) return true;
 
   // Check for compatibility between the security tokens in the
   // current lexical context and the accessed object.
@@ skipping 30 matching lines @@
                       type,
                       v8::Utils::ToLocal(data));
   }
   return result;
 }
 
 
 bool Isolate::MayIndexedAccess(JSObject* receiver,
                                uint32_t index,
                                v8::AccessType type) {
-  ASSERT(receiver->IsJSGlobalProxy() || receiver->IsAccessCheckNeeded());
+  ASSERT(receiver->IsAccessCheckNeeded());
   // Check for compatibility between the security tokens in the
   // current lexical context and the accessed object.
   ASSERT(context());
 
   MayAccessDecision decision = MayAccessPreCheck(this, receiver, type);
   if (decision != UNKNOWN) return decision == YES;
 
   // Get indexed access check callback
   JSFunction* constructor = JSFunction::cast(receiver->map()->constructor());
   if (!constructor->shared()->IsApiFunction()) return false;
@@ skipping 1473 matching lines @@
 
 #ifdef DEBUG
 #define ISOLATE_FIELD_OFFSET(type, name, ignored)                       \
 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
 #undef ISOLATE_FIELD_OFFSET
 #endif
 
 } }  // namespace v8::internal