From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-487731-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 97278 invoked by alias); 1 Jun 2015 15:19:27 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 97225 invoked by uid 48); 1 Jun 2015 15:19:23 -0000
From: "georg@schorsch-tech.de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/66359] Regex Fails to match
Date: Mon, 01 Jun 2015 15:19:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: libstdc++
X-Bugzilla-Version: 4.9.2
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: georg@schorsch-tech.de
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution:
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields:
Message-ID: <bug-66359-4-4rquPttsjb@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-66359-4@http.gcc.gnu.org/bugzilla/>
References: <bug-66359-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2015-06/txt/msg00063.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66359

--- Comment #3 from georg@schorsch-tech.de ---
I tried to apply that revision to gcc-4.9.2. Now i get the following error.

g++ -DUSE_STD -std=c++11 main.cpp 
In file included from
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/include/g++-v4/regex:58:0,
                 from main.cpp:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/include/g++-v4/bits/regex.h:65:5:
warning: inline function 'std::shared_ptr<std::__detail::_NFA<_TraitsT> >
std::__detail::__compile_nfa(const typename _TraitsT::char_type*, const
typename _TraitsT::char_type*, const _TraitsT&,
std::regex_constants::syntax_option_type) [with _TraitsT =
std::regex_traits<char>; typename _TraitsT::char_type = char]' used but never
defined
     __compile_nfa(const typename _TraitsT::char_type* __first,
     ^
/tmp/ccMywN21.o: In function `std::basic_regex<char, std::regex_traits<char>
>::basic_regex<char const*>(char const*, char const*,
std::regex_constants::syntax_option_type)':
main.cpp:(.text._ZNSt11basic_regexIcSt12regex_traitsIcEEC2IPKcEET_S6_NSt15regex_constants18syntax_option_typeE[_ZNSt11basic_regexIcSt12regex_traitsIcEEC5IPKcEET_S6_NSt15regex_constants18syntax_option_typeE]+0xd5):
undefined reference to
`std::shared_ptr<std::__detail::_NFA<std::regex_traits<char> > >
std::__detail::__compile_nfa<std::regex_traits<char>
>(std::regex_traits<char>::char_type const*, std::regex_traits<char>::char_type
const*, std::regex_traits<char> const&,
std::regex_constants::syntax_option_type)'
collect2: error: ld returned 1 exit status


I added my applied patch too. I copied the files from your revision to my tree
and used git to create that patch.