fix InlineCacheState for ToBoolean and CompareIC

src/code-stubs.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 1062 matching lines @@
   static void DecodeMinorKey(int minor_key,
                              CompareIC::State* left_state,
                              CompareIC::State* right_state,
                              CompareIC::State* handler_state,
                              Token::Value* op);
 
   static CompareIC::State CompareState(int minor_key) {
     return static_cast<CompareIC::State>(HandlerStateField::decode(minor_key));
   }
 
+  virtual InlineCacheState GetICState();
+
  private:
   class OpField: public BitField<int, 0, 3> { };
   class LeftStateField: public BitField<int, 3, 4> { };
   class RightStateField: public BitField<int, 7, 4> { };
   class HandlerStateField: public BitField<int, 11, 4> { };
 
   virtual void FinishCode(Handle<Code> code) {
     code->set_stub_info(MinorKey());
   }
 
@@ skipping 927 matching lines @@
   }
 
   static Handle<Code> GetUninitialized(Isolate* isolate) {
     return ToBooleanStub(UNINITIALIZED).GetCode(isolate);
   }
 
   virtual Code::ExtraICState GetExtraICState() {
     return types_.ToIntegral();
   }
 
+  virtual InlineCacheState GetICState() {
+    if (types_.IsEmpty()) {
+      return ::v8::internal::UNINITIALIZED;
+    } else {
+      return MONOMORPHIC;
+    }
+  }
 
  private:
   Major MajorKey() { return ToBoolean; }
   int NotMissMinorKey() { return GetExtraICState(); }
 
   explicit ToBooleanStub(InitializationState init_state) :
     HydrogenCodeStub(init_state) {}
 
   Types types_;
 };
@@ skipping 115 matching lines @@
 
   // The current function entry hook.
   static FunctionEntryHook entry_hook_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_