Load setter from map descriptor instead of embedding it in handler.

src/ic/handler-compiler.h

 // Copyright 2014 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.
 
 #ifndef V8_IC_HANDLER_COMPILER_H_
 #define V8_IC_HANDLER_COMPILER_H_
 
 #include "src/ic/access-compiler.h"
 #include "src/ic/ic-state.h"
 
@@ skipping 207 matching lines @@
   virtual ~NamedStoreHandlerCompiler() {}
 
   Handle<Code> CompileStoreTransition(Handle<Map> transition,
                                       Handle<Name> name);
   Handle<Code> CompileStoreField(LookupIterator* it);
   Handle<Code> CompileStoreCallback(Handle<JSObject> object, Handle<Name> name,
                                     Handle<ExecutableAccessorInfo> callback);
   Handle<Code> CompileStoreCallback(Handle<JSObject> object, Handle<Name> name,
                                     const CallOptimization& call_optimization);
   Handle<Code> CompileStoreViaSetter(Handle<JSObject> object, Handle<Name> name,
-                                     Handle<JSFunction> setter);
+                                     int accessor_index,
+                                     int expected_arguments);
   Handle<Code> CompileStoreInterceptor(Handle<Name> name);
 
   static void GenerateStoreViaSetter(MacroAssembler* masm,
                                      Handle<HeapType> type, Register receiver,
-                                     Handle<JSFunction> setter);
+                                     Register holder, int accessor_index,
+                                     int expected_arguments);
 
   static void GenerateStoreViaSetterForDeopt(MacroAssembler* masm) {
-    GenerateStoreViaSetter(masm, Handle<HeapType>::null(), no_reg,
-                           Handle<JSFunction>());
+    GenerateStoreViaSetter(masm, Handle<HeapType>::null(), no_reg, no_reg, -1,
+                           -1);
   }
 
   static void GenerateSlow(MacroAssembler* masm);
 
  protected:
   virtual Register FrontendHeader(Register object_reg, Handle<Name> name,
                                   Label* miss);
 
   virtual void FrontendFooter(Handle<Name> name, Label* miss);
   void GenerateRestoreName(Label* label, Handle<Name> name);
@@ skipping 37 matching lines @@
 
   void CompileElementHandlers(MapHandleList* receiver_maps,
                               CodeHandleList* handlers);
 
   static void GenerateStoreSlow(MacroAssembler* masm);
 };
 }
 }  // namespace v8::internal
 
 #endif  // V8_IC_HANDLER_COMPILER_H_