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From: "timshen at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/64584] basic_regex::assign breaks *this if it throws regex_error
Date: Mon, 19 Jan 2015 23:09:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64584

--- Comment #2 from Tim Shen <timshen at gcc dot gnu.org> ---
Author: timshen
Date: Mon Jan 19 23:09:07 2015
New Revision: 219868

URL: https://gcc.gnu.org/viewcvs?rev=219868&root=gcc&view=rev
Log:
    PR libstdc++/64584
    PR libstdc++/64585
    * include/bits/regex.h (basic_regex<>::basic_regex,
    basic_regex<>::assign, basic_regex<>::imbue,
    basic_regex<>::swap, basic_regex<>::mark_count): Drop NFA after
    imbuing basic_regex; Make assign() transactional against exception.
    * testsuite/28_regex/basic_regex/assign/char/string.cc: New testcase.
    * testsuite/28_regex/basic_regex/imbue/string.cc: New testcase.

Added:
    branches/gcc-4_9-branch/libstdc++-v3/testsuite/28_regex/basic_regex/imbue/
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/28_regex/basic_regex/imbue/string.cc
Modified:
    branches/gcc-4_9-branch/libstdc++-v3/ChangeLog
    branches/gcc-4_9-branch/libstdc++-v3/include/bits/regex.h
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/28_regex/basic_regex/assign/char/string.cc