Remove special "store global proxy" IC, use as slow_stub().

src/ic.h

 // 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 624 matching lines @@
 
   static Handle<Code> pre_monomorphic_stub(Isolate* isolate,
                                            StrictModeFlag strict_mode) {
     if (strict_mode == kStrictMode) {
       return isolate->builtins()->StoreIC_PreMonomorphic_Strict();
     } else {
       return isolate->builtins()->StoreIC_PreMonomorphic();
     }
   }
 
-  virtual Handle<Code> global_proxy_stub() {
-    if (strict_mode() == kStrictMode) {
-      return isolate()->builtins()->StoreIC_GlobalProxy_Strict();
-    } else {
-      return isolate()->builtins()->StoreIC_GlobalProxy();
-    }
-  }
-
   // Update the inline cache and the global stub cache based on the
   // lookup result.
   void UpdateCaches(LookupResult* lookup,
                     Handle<JSObject> receiver,
                     Handle<String> name,
                     Handle<Object> value);
   virtual Handle<Code> CompileHandler(LookupResult* lookup,
                                       Handle<Object> object,
                                       Handle<String> name,
                                       Handle<Object> value,
@@ skipping 284 matching lines @@
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, KeyedCallIC_MissFromStubFailure);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ElementsTransitionAndStoreIC_Miss);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_Miss);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss);
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_