Object.assign should copy undefined values (#4688)

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
2021-06-10 10:59:54 +02:00
parent e8ed543677
commit 5729dd8cec
2 changed files with 8 additions and 3 deletions
@@ -1107,9 +1107,7 @@ ecma_builtin_object_object_assign (ecma_object_t *target_p, /**< target object *
      }

      /* 5.c.iii */
-      if ((prop_desc.flags & JERRY_PROP_IS_ENUMERABLE)
-          && (((prop_desc.flags & JERRY_PROP_IS_VALUE_DEFINED) && !ecma_is_value_undefined (prop_desc.value))
-              || (prop_desc.flags & JERRY_PROP_IS_GET_DEFINED)))
+      if (prop_desc.flags & JERRY_PROP_IS_ENUMERABLE)
      {
        /* 5.c.iii.1 */
        ecma_value_t prop_value = ecma_op_object_get (from_obj_p, property_name_p);