re PR libstdc++/61720 (std::regex_search matches incorrectly)

PR libstdc++/61720
	* include/bits/regex_executor.tcc (_Executor<>::_M_main_dispatch):
	Clear match queue for next use.
	* testsuite/28_regex/algorithms/regex_search/61720.cc: New file.

From-SVN: r212539
This commit is contained in:
Tim Shen 2014-07-15 04:28:51 +00:00 committed by Tim Shen
parent 29ba39116e
commit 4228f9328c
3 changed files with 56 additions and 0 deletions

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@ -1,3 +1,10 @@
2014-07-15 Tim Shen <timshen@google.com>
PR libstdc++/61720
* include/bits/regex_executor.tcc (_Executor<>::_M_main_dispatch):
Clear match queue for next use.
* testsuite/28_regex/algorithms/regex_search/61720.cc: New file.
2014-07-14 Ulrich Drepper <drepper@gmail.com>
* include/ext/random.tcc: Unfortunately more fixes for

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@ -137,6 +137,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
if (__match_mode == _Match_mode::_Exact)
__ret = _M_has_sol;
_M_states._M_match_queue.clear();
return __ret;
}

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@ -0,0 +1,48 @@
// { dg-options "-std=gnu++11" }
//
// Copyright (C) 2014 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <regex>
#include <testsuite_hooks.h>
#include <testsuite_regex.h>
using namespace __gnu_test;
using namespace std;
// libstdc++/61720
void
test01()
{
bool test __attribute__((unused)) = true;
string s = R"("test\")";
VERIFY(!regex_search_debug(s, regex(R"("([^"]|\\")*[^\\]")")));
VERIFY(!regex_match_debug(s, regex(R"("([^"]|\\")*[^\\]")")));
VERIFY(!regex_search_debug(s, regex(R"("([^"]|\\")*[^\\]")",
regex_constants::extended)));
VERIFY(!regex_match_debug(s, regex(R"("([^"]|\\")*[^\\]")",
regex_constants::extended)));
}
int
main()
{
test01();
return 0;
}