aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJonathan Wakely <jwakely@redhat.com>2017-12-27 22:18:02 +0000
committerJonathan Wakely <redi@gcc.gnu.org>2017-12-27 22:18:02 +0000
commit8afe2df012564c108406069fea473c02463db6fb (patch)
tree6e7a0a9f6426ac0e8a39422fe0c8003c9eaac1a0
parentc41743d0c0d498bd55c91285d5324b02bed7fb54 (diff)
downloadgcc-8afe2df012564c108406069fea473c02463db6fb.zip
gcc-8afe2df012564c108406069fea473c02463db6fb.tar.gz
gcc-8afe2df012564c108406069fea473c02463db6fb.tar.bz2
PR libstdc++/83598 don't modify flags passed to std::basic_regex constructors
PR libstdc++/83598 * include/bits/regex.h (basic_regex): Don't modify flags passed to constructors. * testsuite/28_regex/basic_regex/ctors/83598.cc: New test. From-SVN: r256013
-rw-r--r--libstdc++-v3/ChangeLog5
-rw-r--r--libstdc++-v3/include/bits/regex.h10
-rw-r--r--libstdc++-v3/testsuite/28_regex/basic_regex/ctors/83598.cc37
3 files changed, 46 insertions, 6 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 88b6b2b..4474f5e 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,10 @@
2017-12-27 Jonathan Wakely <jwakely@redhat.com>
+ PR libstdc++/83598
+ * include/bits/regex.h (basic_regex): Don't modify flags passed to
+ constructors.
+ * testsuite/28_regex/basic_regex/ctors/83598.cc: New test.
+
PR libstdc++/83538
* doc/xml/manual/intro.xml: Document LWG 2306 change.
* include/bits/regex.h (match_results::reference): Change to
diff --git a/libstdc++-v3/include/bits/regex.h b/libstdc++-v3/include/bits/regex.h
index 74c5100..0d97d53 100644
--- a/libstdc++-v3/include/bits/regex.h
+++ b/libstdc++-v3/include/bits/regex.h
@@ -756,9 +756,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
template<typename _FwdIter>
basic_regex(_FwdIter __first, _FwdIter __last, locale_type __loc,
flag_type __f)
- : _M_flags((__f & (ECMAScript | basic | extended | awk | grep | egrep))
- ? __f : (__f | ECMAScript)),
- _M_loc(std::move(__loc)),
+ : _M_flags(__f), _M_loc(std::move(__loc)),
_M_automaton(__detail::__compile_nfa<_Rx_traits>(
std::move(__first), std::move(__last), _M_loc, _M_flags))
{ }
@@ -773,9 +771,9 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
template<typename, typename, typename, bool>
friend class __detail::_Executor;
- flag_type _M_flags;
- locale_type _M_loc;
- _AutomatonPtr _M_automaton;
+ flag_type _M_flags;
+ locale_type _M_loc;
+ _AutomatonPtr _M_automaton;
};
#if __cpp_deduction_guides >= 201606
diff --git a/libstdc++-v3/testsuite/28_regex/basic_regex/ctors/83598.cc b/libstdc++-v3/testsuite/28_regex/basic_regex/ctors/83598.cc
new file mode 100644
index 0000000..b958dfb
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/basic_regex/ctors/83598.cc
@@ -0,0 +1,37 @@
+// Copyright (C) 2017 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/>.
+
+// { dg-do run { target c++11 } }
+
+#include <regex>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ // PR libstdc++83598
+ std::regex r1(".", std::regex_constants::syntax_option_type{});
+ VERIFY(r1.flags() == std::regex_constants::syntax_option_type{});
+ std::regex r2(".", std::regex_constants::icase);
+ VERIFY(r2.flags() == std::regex_constants::icase);
+}
+
+int
+main()
+{
+ test01();
+}