Revert 21774: "Generate KeyedLoadGeneric with Hydrogen"

src/ic.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_IC_H_
 #define V8_IC_H_
 
 #include "src/macro-assembler.h"
 
 namespace v8 {
@@ skipping 507 matching lines @@
   // Access check is necessary explicitly since generic stub does not perform
   // map checks.
   static const int kSlowCaseBitFieldMask =
       (1 << Map::kIsAccessCheckNeeded) | (1 << Map::kHasIndexedInterceptor);
 
  protected:
   virtual Code::Kind kind() const { return Code::KEYED_LOAD_IC; }
 
   Handle<Code> LoadElementStub(Handle<JSObject> receiver);
 
-  virtual Handle<Code> megamorphic_stub();
-  virtual Handle<Code> generic_stub() const;
-
+  virtual Handle<Code> megamorphic_stub() {
+    return isolate()->builtins()->KeyedLoadIC_Generic();
+  }
+  virtual Handle<Code> generic_stub() const {
+    return isolate()->builtins()->KeyedLoadIC_Generic();
+  }
   virtual Handle<Code> slow_stub() const {
     return isolate()->builtins()->KeyedLoadIC_Slow();
   }
 
   virtual void UpdateMegamorphicCache(HeapType* type, Name* name, Code* code) {}
 
  private:
   // Stub accessors.
   static Handle<Code> pre_monomorphic_stub(Isolate* isolate) {
     return isolate->builtins()->KeyedLoadIC_PreMonomorphic();
@@ skipping 473 matching lines @@
 DECLARE_RUNTIME_FUNCTION(ElementsTransitionAndStoreIC_Miss);
 DECLARE_RUNTIME_FUNCTION(BinaryOpIC_Miss);
 DECLARE_RUNTIME_FUNCTION(BinaryOpIC_MissWithAllocationSite);
 DECLARE_RUNTIME_FUNCTION(CompareNilIC_Miss);
 DECLARE_RUNTIME_FUNCTION(ToBooleanIC_Miss);
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_