Emit deprecated check for constant function transitions.

R=mvstanton@chromium.org

Review URL: https://chromiumcodereview.appspot.com/17287003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects-inl.h

@@ -3624,6 +3624,9 @@ bool Map::CanBeDeprecated() {
         details.representation().IsHeapObject()) {
       return true;
     }
+    if (FLAG_track_fields && details.type() == CONSTANT_FUNCTION) {
+      return true;
+    }
   }
   return false;
 }