Split window support from V8. ...

src/ic.cc

 // Copyright 2006-2008 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 832 matching lines @@
   return receiver->SetProperty(*name, *value, NONE);
 }
 
 
 void StoreIC::UpdateCaches(LookupResult* lookup,
                            State state,
                            Handle<JSObject> receiver,
                            Handle<String> name,
                            Handle<Object> value) {
   ASSERT(lookup->IsLoaded());
+  // Skip JSGlobalProxy.
+  if (receiver->IsJSGlobalProxy()) return;
+
   // Bail out if we didn't find a result.
   if (!lookup->IsValid() || !lookup->IsCacheable()) return;
 
   // If the property is read-only, we leave the IC in its current
   // state.
   if (lookup->IsReadOnly()) return;
 
   // If the property has a non-field type allowing map transitions
   // where there is extra room in the object, we leave the IC in its
   // current state.
@@ skipping 86 matching lines @@
       UpdateCaches(&lookup, state, receiver, name, value);
     }
 
     // Set the property.
     return receiver->SetProperty(*name, *value, NONE);
   }
 
   // Do not use ICs for objects that require access checks (including
   // the global object).
   bool use_ic = FLAG_use_ic && !object->IsAccessCheckNeeded();
+  ASSERT(!(use_ic && object->IsJSGlobalProxy()));
 
   if (use_ic) set_target(generic_stub());
 
   // Set the property.
   return Runtime::SetObjectProperty(object, key, value, NONE);
 }
 
 
 void KeyedStoreIC::UpdateCaches(LookupResult* lookup,
                                 State state,
                                 Handle<JSObject> receiver,
                                 Handle<String> name,
                                 Handle<Object> value) {
   ASSERT(lookup->IsLoaded());
+
+  // Skip JSGlobalProxy.
+  if (receiver->IsJSGlobalProxy()) return;
+
   // Bail out if we didn't find a result.
   if (!lookup->IsValid() || !lookup->IsCacheable()) return;
 
   // If the property is read-only, we leave the IC in its current
   // state.
   if (lookup->IsReadOnly()) return;
 
   // If the property has a non-field type allowing map transitions
   // where there is extra room in the object, we leave the IC in its
   // current state.
@@ skipping 201 matching lines @@
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) {
   return IC_utilities[id];
 }
 
 
 } }  // namespace v8::internal