A64: Synchronize with r18764.

src/a64/codegen-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 24 matching lines @@
 namespace internal {
 
 // Forward declarations
 class CompilationInfo;
 
 // -------------------------------------------------------------------------
 // CodeGenerator
 
 class CodeGenerator: public AstVisitor {
  public:
-  explicit CodeGenerator(Isolate* isolate) {
-    InitializeAstVisitor(isolate);
+  explicit CodeGenerator(Zone* zone) {
+    InitializeAstVisitor(zone);
   }
 
   static bool MakeCode(CompilationInfo* info);
 
   // Printing of AST, etc. as requested by flags.
   static void MakeCodePrologue(CompilationInfo* info, const char* kind);
 
   // Allocate and install the code.
   static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
                                        Code::Flags flags,
@@ skipping 47 matching lines @@
                           Register temp2,
                           Register temp3);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MathExpGenerator);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_A64_CODEGEN_A64_H_