Do not make objects in optimized code weak if collecting maps is disabled.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 5aea3b5106bc741386914a21207499ff6471d5c3..7c84ced98aa5306e6bfba4b5d05069da34021994 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -4815,7 +4815,8 @@ bool Code::IsWeakObjectInOptimizedCode(Object* object) {
   }
   if (object->IsJSObject() ||
       (object->IsCell() && Cell::cast(object)->value()->IsJSObject())) {
-    return FLAG_weak_embedded_objects_in_optimized_code;
+    return FLAG_collect_maps &&
+           FLAG_weak_embedded_objects_in_optimized_code;
   }
   return false;
 }