r256292 - in /branches/gcc-7-branch/libstdc++-v...

[redi@gcc.gnu.org]

Author: redi
Date: Fri Jan  5 22:22:28 2018
New Revision: 256292

URL: https://gcc.gnu.org/viewcvs?rev=256292&root=gcc&view=rev
Log:
PR libstdc++/83600 fix end iterator for unready std::match_results

Backport from mainline
2017-12-27  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/83600
	* include/bits/regex.h (match_results::end()): Return valid iterator
	when not ready.
	* testsuite/28_regex/match_results/ctors/char/default.cc: Check that
	unready objects are empty and have equal begin and end iterators.
	* testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.

Modified:
    branches/gcc-7-branch/libstdc++-v3/ChangeLog
    branches/gcc-7-branch/libstdc++-v3/include/bits/regex.h
    branches/gcc-7-branch/libstdc++-v3/testsuite/28_regex/match_results/ctors/char/default.cc
    branches/gcc-7-branch/libstdc++-v3/testsuite/28_regex/match_results/ctors/wchar_t/default.cc