A64: Synchronize with r18256.

src/a64/code-stubs-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 50 matching lines @@
 };
 
 
 class StoreBufferOverflowStub: public PlatformCodeStub {
  public:
   explicit StoreBufferOverflowStub(SaveFPRegsMode save_fp)
       : save_doubles_(save_fp) { }
 
   void Generate(MacroAssembler* masm);
 
-  virtual bool IsPregenerated(Isolate* isolate) V8_OVERRIDE {
-    USE(isolate);
-    return true;
-  }
   static void GenerateFixedRegStubsAheadOfTime(Isolate* isolate);
   virtual bool SometimesSetsUpAFrame() { return false; }
 
  private:
   SaveFPRegsMode save_doubles_;
 
   Major MajorKey() { return StoreBufferOverflow; }
   int MinorKey() { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; }
 };
 
@@ skipping 88 matching lines @@
               address,  // An input reg.
               value) {  // One scratch reg.
   }
 
   enum Mode {
     STORE_BUFFER_ONLY,
     INCREMENTAL,
     INCREMENTAL_COMPACTION
   };
 
-  virtual bool IsPregenerated(Isolate* isolate) V8_OVERRIDE;
-  static void GenerateFixedRegStubsAheadOfTime(Isolate* isolate);
   virtual bool SometimesSetsUpAFrame() { return false; }
 
   static Mode GetMode(Code* stub) {
     // Find the mode depending on the first two instructions.
     Instruction* instr1 =
       reinterpret_cast<Instruction*>(stub->instruction_start());
     Instruction* instr2 = instr1->following();
 
     if (instr1->IsUncondBranchImm()) {
       ASSERT(instr2->IsPCRelAddressing() && (instr2->Rd() == xzr.code()));
@@ skipping 332 matching lines @@
                                             Register length,
                                             Register scratch1,
                                             Register scratch2,
                                             Label* chars_not_equal);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_A64_CODE_STUBS_A64_H_