Fix JSObjectFieldAccessor support in crankshaft

src/hydrogen.h

 // 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.
 
 #ifndef V8_HYDROGEN_H_
 #define V8_HYDROGEN_H_
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 2444 matching lines @@
     // PropertyAccessInfo is built for types->first().
     bool CanAccessAsMonomorphic(SmallMapList* types);
 
     bool NeedsWrappingFor(Handle<JSFunction> target) const;
 
     Handle<Map> map();
     Handle<String> name() const { return name_; }
 
     bool IsJSObjectFieldAccessor() {
       int offset;  // unused
-      return Accessors::IsJSObjectFieldAccessor(map(), name_, &offset);
+      return Accessors::IsJSObjectFieldAccessor(map_, name_, &offset);
     }
 
     bool GetJSObjectFieldAccess(HObjectAccess* access) {
       int offset;
-      if (Accessors::IsJSObjectFieldAccessor(map(), name_, &offset)) {
+      if (Accessors::IsJSObjectFieldAccessor(map_, name_, &offset)) {
         if (IsStringType()) {
           DCHECK(String::Equals(isolate()->factory()->length_string(), name_));
           *access = HObjectAccess::ForStringLength();
         } else if (IsArrayType()) {
           DCHECK(String::Equals(isolate()->factory()->length_string(), name_));
-          *access = HObjectAccess::ForArrayLength(map()->elements_kind());
+          *access = HObjectAccess::ForArrayLength(map_->elements_kind());
         } else {
-          *access = HObjectAccess::ForMapAndOffset(map(), offset);
+          *access = HObjectAccess::ForMapAndOffset(map_, offset);
         }
         return true;
       }
       return false;
     }
 
     bool has_holder() { return !holder_.is_null(); }
     bool IsLoad() const { return access_type_ == LOAD; }
 
     Isolate* isolate() const { return lookup_.isolate(); }
@@ skipping 428 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_