String.match should return on error. (#1560)

Fixes #1546.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com

jerry-core/ecma/builtin-objects/ecma-builtin-string-prototype.c

@@ -1522,7 +1522,8 @@ ecma_builtin_helper_split_match (ecma_value_t input_string, /**< first argument
 
     ret_value = ecma_regexp_exec_helper (regexp_value, ecma_make_string_value (substr_str_p), true);
 
-    if (!ecma_is_value_null (ret_value))
+    if (!ECMA_IS_VALUE_ERROR (ret_value)
+        && !ecma_is_value_null (ret_value))
     {
       ecma_object_t *obj_p = ecma_get_object_from_value (ret_value);
       ecma_string_t *magic_index_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_INDEX);

tests/jerry/regression-test-issue-1546.js

@@ -0,0 +1,15 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+String.prototype.split(RegExp.prototype);