In HObjectAccess::ForField pass property name down into HObjectAccess for in-object fields.

This makes hydrogen.cfg more readable (property name becomes visible in addition to offset).

R=mvstanton@chromium.org
BUG=

Review URL: https://codereview.chromium.org/132923004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18781 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen-instructions.cc

@@ -4345,7 +4345,7 @@ HObjectAccess HObjectAccess::ForField(Handle<Map> map,
     // Negative property indices are in-object properties, indexed
     // from the end of the fixed part of the object.
     int offset = (index * kPointerSize) + map->instance_size();
-    return HObjectAccess(kInobject, offset, representation);
+    return HObjectAccess(kInobject, offset, representation, name);
   } else {
     // Non-negative property indices are in the properties array.
     int offset = (index * kPointerSize) + FixedArray::kHeaderSize;