Refactor ExternalReference::isolate_address() to not rely on Isolate::Current().

src/arm/macro-assembler-arm.cc

 // 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 2313 matching lines @@
   TailCallExternalReference(
       ExternalReference(Runtime::kPromoteScheduledException, isolate()),
       0,
       1);
 
   // HandleScope limit has changed. Delete allocated extensions.
   bind(&delete_allocated_handles);
   str(r5, MemOperand(r7, kLimitOffset));
   mov(r4, r0);
   PrepareCallCFunction(1, r5);
-  mov(r0, Operand(ExternalReference::isolate_address()));
+  mov(r0, Operand(ExternalReference::isolate_address(isolate())));
   CallCFunction(
       ExternalReference::delete_handle_scope_extensions(isolate()), 1);
   mov(r0, r4);
   jmp(&leave_exit_frame);
 }
 
 
 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) {
   if (!has_frame_ && stub->SometimesSetsUpAFrame()) return false;
   return allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe(isolate());
@@ skipping 1473 matching lines @@
 void CodePatcher::EmitCondition(Condition cond) {
   Instr instr = Assembler::instr_at(masm_.pc_);
   instr = (instr & ~kCondMask) | cond;
   masm_.emit(instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM