Make sure that the inline_new flag guards all the optimizations for...

src/heap.cc

Index: src/heap.cc
===================================================================
--- src/heap.cc	(revision 3866)
+++ src/heap.cc	(working copy)
@@ -2383,11 +2383,14 @@
   map->set_unused_property_fields(in_object_properties);
   map->set_prototype(prototype);
 
-  // If the function has only simple this property assignments add field
-  // descriptors for these to the initial map as the object cannot be
-  // constructed without having these properties.
+  // If the function has only simple this property assignments add
+  // field descriptors for these to the initial map as the object
+  // cannot be constructed without having these properties.  Guard by
+  // the inline_new flag so we only change the map if we generate a
+  // specialized construct stub.
   ASSERT(in_object_properties <= Map::kMaxPreAllocatedPropertyFields);
-  if (fun->shared()->has_only_simple_this_property_assignments() &&
+  if (FLAG_inline_new &&
+      fun->shared()->has_only_simple_this_property_assignments() &&
       fun->shared()->this_property_assignments_count() > 0) {
     int count = fun->shared()->this_property_assignments_count();
     if (count > in_object_properties) {