Fix a typo

src/arm/lithium-arm.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 1342 matching lines @@
  public:
   LDateField(LOperand* date, LOperand* temp, Smi* index) : index_(index) {
     inputs_[0] = date;
     temps_[0] = temp;
   }
 
   LOperand* date() { return inputs_[0]; }
   LOperand* temp() { return temps_[0]; }
   Smi* index() const { return index_; }
 
-  DECLARE_CONCRETE_INSTRUCTION(ValueOf, "date-field")
-  DECLARE_HYDROGEN_ACCESSOR(ValueOf)
+  DECLARE_CONCRETE_INSTRUCTION(DateField, "date-field")
+  DECLARE_HYDROGEN_ACCESSOR(DateField)
 
  private:
   Smi* index_;
 };
 
 
 class LSeqStringSetChar V8_FINAL : public LTemplateInstruction<1, 3, 0> {
  public:
   LSeqStringSetChar(String::Encoding encoding,
                     LOperand* string,
@@ skipping 1419 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_LITHIUM_ARM_H_