Fix bug in HPhi::SimplifyConstantInput

src/hydrogen-instructions.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 3344 matching lines @@
     return HasStringValue() && is_internalized_string_;
   }
 
   bool HasExternalReferenceValue() const {
     return has_external_reference_value_;
   }
   ExternalReference ExternalReferenceValue() const {
     return external_reference_value_;
   }
 
+  bool HasBooleanValue() const { return type_.IsBoolean(); }
   bool BooleanValue() const { return boolean_value_; }
 
   virtual intptr_t Hashcode() {
     if (has_int32_value_) {
       return static_cast<intptr_t>(int32_value_);
     } else if (has_double_value_) {
       return static_cast<intptr_t>(BitCast<int64_t>(double_value_));
     } else if (has_external_reference_value_) {
       return reinterpret_cast<intptr_t>(external_reference_value_.address());
     } else {
@@ skipping 3398 matching lines @@
   virtual bool IsDeletable() const { return true; }
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_