PR libstdc++/83600 fix end iterator for unready std::match_results
commit8297b3b2d8e4c7e9d30125ab93dd704f65b1df15
authorredi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 27 Dec 2017 22:18:08 +0000 (27 22:18 +0000)
committerredi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 27 Dec 2017 22:18:08 +0000 (27 22:18 +0000)
tree645c1fd77c89183510d9e77d2460ea3237acee4e
parent32c2d01da74b8f33d1cc80120fb56db0f1b42bb6
PR libstdc++/83600 fix end iterator for unready std::match_results

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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256014 138bc75d-0d04-0410-961f-82ee72b054a4
libstdc++-v3/ChangeLog
libstdc++-v3/include/bits/regex.h
libstdc++-v3/testsuite/28_regex/match_results/ctors/char/default.cc
libstdc++-v3/testsuite/28_regex/match_results/ctors/wchar_t/default.cc