Assertion fix in RegExp.

Assertion 'mem_pools == NULL' failed in mem_pools_finalize

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com

jerry-core/ecma/operations/ecma-regexp-object.cpp

@@ -644,7 +644,7 @@ re_match_regexp (re_matcher_ctx_t *re_ctx_p, /**< RegExp matcher context */
         re_ctx_p->saved_p[RE_GLOBAL_END_IDX] = str_p;
         *res_p = str_p;
         re_ctx_p->recursion_depth--;
-        return ret_value = ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_TRUE); /* match */
+        return ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_TRUE); /* match */
       }
       case RE_OP_ALTERNATIVE:
       {
@@ -1003,12 +1003,13 @@ re_match_regexp (re_matcher_ctx_t *re_ctx_p, /**< RegExp matcher context */
           ecma_completion_value_t match_value = re_match_regexp (re_ctx_p, bc_p, str_p, &sub_str_p);
           if (!ecma_is_value_true (match_value))
           {
+            if (ecma_is_completion_value_throw (match_value))
+            {
+              return match_value;
+            }
+
             break;
           }
-          else if (ecma_is_completion_value_throw (match_value))
-          {
-            return match_value;
-          }
           str_p = sub_str_p;
           num_of_iter++;
         }
@@ -1033,12 +1034,13 @@ re_match_regexp (re_matcher_ctx_t *re_ctx_p, /**< RegExp matcher context */
           ecma_completion_value_t match_value = re_match_regexp (re_ctx_p, bc_p, str_p, &sub_str_p);
           if (!ecma_is_value_true (match_value))
           {
+            if (ecma_is_completion_value_throw (match_value))
+            {
+              return match_value;
+            }
+
             break;
           }
-          else if (ecma_is_completion_value_throw (match_value))
-          {
-            return match_value;
-          }
           str_p = sub_str_p;
           num_of_iter++;
         }

tests/jerry/regression-test-issue-255.js

@@ -0,0 +1,26 @@
+// Copyright 2015 Samsung Electronics Co., Ltd.
+// Copyright 2015 University of Szeged.
+//
+// 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.
+
+v_0 = /(?!(?!l{666,}))/;
+
+try
+{
+  v_0.exec("llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll");
+}
+catch (e)
+{
+  assert (e instanceof RangeError);
+  assert (e.message === "RegExp executor steps limit is exceeded.");
+}