Disentangle assembler from isolate.

src/arm64/macro-assembler-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/arm64/frames-arm64.h"
 #include "src/assembler.h"
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/heap/heap-inl.h"
 #include "src/register-configuration.h"
 #include "src/runtime/runtime.h"
 
 #include "src/arm64/macro-assembler-arm64-inl.h"
 #include "src/arm64/macro-assembler-arm64.h"  // Cannot be the first include
 
 namespace v8 {
 namespace internal {
 
 // Define a fake double underscore to use with the ASM_UNIMPLEMENTED macros.
 #define __
 
-
-MacroAssembler::MacroAssembler(Isolate* arg_isolate, byte* buffer,
+MacroAssembler::MacroAssembler(Isolate* isolate, byte* buffer,
                                unsigned buffer_size,
                                CodeObjectRequired create_code_object)
-    : Assembler(arg_isolate, buffer, buffer_size),
+    : Assembler(isolate, buffer, buffer_size),
       generating_stub_(false),
 #if DEBUG
       allow_macro_instructions_(true),
 #endif
       has_frame_(false),
+      isolate_(isolate),
       use_real_aborts_(true),
       sp_(jssp),
       tmp_list_(DefaultTmpList()),
       fptmp_list_(DefaultFPTmpList()) {
   if (create_code_object == CodeObjectRequired::kYes) {
     code_object_ =
-        Handle<Object>::New(isolate()->heap()->undefined_value(), isolate());
+        Handle<Object>::New(isolate_->heap()->undefined_value(), isolate_);
   }
 }
 
 
 CPURegList MacroAssembler::DefaultTmpList() {
   return CPURegList(ip0, ip1);
 }
 
 
 CPURegList MacroAssembler::DefaultFPTmpList() {
@@ skipping 4602 matching lines @@
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64