[Bug libstdc++/64239] regex_iterator::operator= should copy match_results::position

[timshen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64239

--- Comment #9 from Tim Shen <timshen at gcc dot gnu.org> ---
Author: timshen
Date: Fri Jan  9 05:52:18 2015
New Revision: 219374

URL: https://gcc.gnu.org/viewcvs?rev=219374&root=gcc&view=rev
Log:
    PR libstdc++/64239
    Backported form mainline
    2015-01-09  Tim Shen  <tims...@google.com>

    * include/bits/regex.h (match_results<>::swap): Use std::swap
    instead of swap.
    * include/bits/regex_compiler.tcc (_Compiler<>::_M_quantifier):
    Likewise.
    * testsuite/28_regex/match_results/swap.cc: New testcase.

Added:
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/28_regex/match_results/swap.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/include/bits/regex_compiler.tcc