Move assertion that might cause garbage collections to before...

src/runtime.cc

Index: src/runtime.cc
===================================================================
--- src/runtime.cc	(revision 652)
+++ src/runtime.cc	(working copy)
@@ -3439,8 +3439,8 @@
 
   // If the holder is found, we read the property from it.
   if (!holder.is_null() && holder->IsJSObject()) {
+    ASSERT(Handle<JSObject>::cast(holder)->HasProperty(*name));
     JSObject* object = JSObject::cast(*holder);
-    ASSERT(object->HasProperty(*name));
     JSObject* receiver = (object->IsGlobalObject())
         ? GlobalObject::cast(object)->global_receiver()
         : ComputeReceiverForNonGlobal(object);