A64: Synchronize with r17441.

src/a64/assembler-a64.h

 // Copyright 2013 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 86 matching lines @@
   RegList Bit() const;
   unsigned SizeInBits() const;
   int SizeInBytes() const;
   bool Is32Bits() const;
   bool Is64Bits() const;
   bool IsValid() const;
   bool IsValidRegister() const;
   bool IsValidFPRegister() const;
   bool IsNone() const;
   bool Is(const CPURegister& other) const;
-  bool is(const CPURegister& other) const;  // V8 compatibility.
 
   bool IsZero() const;
   bool IsSP() const;
 
   bool IsRegister() const;
   bool IsFPRegister() const;
 
   const Register& X();
   const Register& W();
   const FPRegister& D();
   const FPRegister& S();
 
   bool IsSameSizeAndType(const CPURegister& other) const;
 
+  // V8 compatibility.
+  bool is(const CPURegister& other) const { return Is(other); }
+  bool is_valid() const { return IsValid(); }
+
  protected:
   unsigned code_;
   unsigned size_;
   RegisterType type_;
 
  private:
   bool IsValidOrNone() const;
 };
 
 
@@ skipping 1903 matching lines @@
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_A64_ASSEMBLER_A64_H_