[arm] Clean up the use of UNALIGNED_ACCESSES.

src/regexp/regexp-macro-assembler.cc

 // Copyright 2012 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.
 
 #include "src/regexp/regexp-macro-assembler.h"
 
 #include "src/assembler.h"
 #include "src/isolate-inl.h"
 #include "src/regexp/regexp-stack.h"
 #include "src/simulator.h"
@@ skipping 104 matching lines @@
 NativeRegExpMacroAssembler::NativeRegExpMacroAssembler(Isolate* isolate,
                                                        Zone* zone)
     : RegExpMacroAssembler(isolate, zone) {}
 
 
 NativeRegExpMacroAssembler::~NativeRegExpMacroAssembler() {
 }
 
 
 bool NativeRegExpMacroAssembler::CanReadUnaligned() {
-  return FLAG_enable_unaligned_accesses && !slow_safe();
+  return FLAG_enable_regexp_unaligned_accesses && !slow_safe();
 }
 
 const byte* NativeRegExpMacroAssembler::StringCharacterPosition(
     String* subject,
     int start_index) {
   if (subject->IsConsString()) {
     subject = ConsString::cast(subject)->first();
   } else if (subject->IsSlicedString()) {
     start_index += SlicedString::cast(subject)->offset();
     subject = SlicedString::cast(subject)->parent();
@@ skipping 211 matching lines @@
   }
   *stack_base = new_stack_base;
   intptr_t stack_content_size = old_stack_base - stack_pointer;
   return new_stack_base - stack_content_size;
 }
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }  // namespace internal
 }  // namespace v8