[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 #8 from Tim Shen <timshen at gcc dot gnu.org> ---
Author: timshen
Date: Fri Jan  9 03:58:59 2015
New Revision: 219373

URL: https://gcc.gnu.org/viewcvs?rev=219373&root=gcc&view=rev
Log:
    PR libstdc++/64239
    * 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:
    trunk/libstdc++-v3/testsuite/28_regex/match_results/swap.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/regex.h
    trunk/libstdc++-v3/include/bits/regex_compiler.tcc