Fix mapped arguments legacy argument definition initialization (#4434)

This patch fixes #4432. JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2021-01-11 12:30:52 +01:00
parent edb01f63d5
commit dcf9252892
2 changed files with 20 additions and 1 deletions
@@ -137,7 +137,7 @@ ecma_op_create_arguments_object (vm_frame_ctx_shared_args_t *shared_p, /**< shar

        ecma_deref_ecma_string (prop_name_p);

-        prop_value_p->value = argv_p[i];
+        prop_value_p->value = argv_p[i] == ECMA_VALUE_INITIALIZED ? ECMA_VALUE_UNDEFINED : argv_p[i];
        argv_p[i] = ECMA_VALUE_EMPTY;
      }
    }