emit premonomorphic ics for loads/stores in optimized code

src/code-factory.h

 // 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.
 
 #ifndef V8_CODE_FACTORY_H_
 #define V8_CODE_FACTORY_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/codegen.h"
@@ skipping 15 matching lines @@
  private:
   const Handle<Code> code_;
   const CallInterfaceDescriptor descriptor_;
 };
 
 
 class CodeFactory FINAL {
  public:
   // Initial states for ICs.
   static Callable LoadIC(Isolate* isolate, ContextualMode mode);
-  static Callable LoadICInOptimizedCode(Isolate* isolate, ContextualMode mode);
+  static Callable LoadICInOptimizedCode(Isolate* isolate, ContextualMode mode,
+                                        bool initialize_megamorphic);
   static Callable KeyedLoadIC(Isolate* isolate);
   static Callable KeyedLoadICInOptimizedCode(Isolate* isolate);
   static Callable CallIC(Isolate* isolate, int argc,
                          CallICState::CallType call_type);
   static Callable CallICInOptimizedCode(Isolate* isolate, int argc,
                                         CallICState::CallType call_type);
   static Callable StoreIC(Isolate* isolate, LanguageMode mode);
   static Callable KeyedStoreIC(Isolate* isolate, LanguageMode mode);
 
   static Callable CompareIC(Isolate* isolate, Token::Value op);
@@ skipping 15 matching lines @@
   static Callable AllocateHeapNumber(Isolate* isolate);
 
   static Callable CallFunction(Isolate* isolate, int argc,
                                CallFunctionFlags flags);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_FACTORY_H_