Store both major and minor key on code stubs.

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 928 matching lines @@
     KNOWN_OBJECT,   // JSObject with specific map (faster check)
     GENERIC
   };
 
   static State NewInputState(State old_state, Handle<Object> value);
 
   static Type* StateToType(Zone* zone,
                            State state,
                            Handle<Map> map = Handle<Map>());
 
-  static void StubInfoToType(int stub_minor_key,
-                             Type** left_type,
-                             Type** right_type,
-                             Type** overall_type,
-                             Handle<Map> map,
-                             Zone* zone);
+  static void StubInfoToType(uint32_t stub_key, Type** left_type,
+                             Type** right_type, Type** overall_type,
+                             Handle<Map> map, Zone* zone);
 
   CompareIC(Isolate* isolate, Token::Value op)
       : IC(EXTRA_CALL_FRAME, isolate), op_(op) { }
 
   // Update the inline cache for the given operands.
   Code* UpdateCaches(Handle<Object> x, Handle<Object> y);
 
 
   // Factory method for getting an uninitialized compare stub.
   static Handle<Code> GetUninitialized(Isolate* isolate, Token::Value op);
@@ skipping 65 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_