Check whether match result has error flag. (#1653)

Fixes #1641.

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

@@ -1774,7 +1774,8 @@ ecma_builtin_string_prototype_object_split (ecma_value_t this_arg, /**< this arg
                                                                          separator);
 
             /* 13.b */
-            if (ecma_is_value_null (match_result))
+            if (ecma_is_value_null (match_result)
+                || ECMA_IS_VALUE_ERROR (match_result))
             {
               curr_pos++;
             }

tests/jerry/regression-test-issue-1641.js

@@ -0,0 +1,18 @@
+// 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.
+
+var result = "0".split(RegExp.prototype);
+
+assert(result.length === 1);
+assert(result[0] === "0");