Add missing error check for for-in HasNext check (#4471)

This patch fixes #4464. JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2021-01-15 20:48:49 +01:00
parent b0ca537a34
commit ad7fc07ca4
2 changed files with 46 additions and 0 deletions
@@ -4036,6 +4036,11 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */

            result = ecma_op_object_has_property (object_p, prop_name_p);

+            if (ECMA_IS_VALUE_ERROR (result))
+            {
+              goto error;
+            }
+
            if (JERRY_LIKELY (ecma_is_value_true (result)))
            {
              byte_code_p = byte_code_start_p + branch_offset;