https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64649
--- Comment #4 from Tim Shen <timshen at gcc dot gnu.org> --- Author: timshen Date: Thu Jan 22 05:02:38 2015 New Revision: 219986 URL: https://gcc.gnu.org/viewcvs?rev=219986&root=gcc&view=rev Log: PR libstdc++/64649 * include/bits/regex.tcc (regex_traits<>::lookup_collatename, regex_traits<>::lookup_classname): Correctly narrow input chars. * testsuite/28_regex/traits/wchar_t/user_defined.cc: New testcase. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/include/bits/regex.tcc trunk/libstdc++-v3/testsuite/28_regex/traits/wchar_t/user_defined.cc
