https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31413
--- Comment #28 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Wed Aug 29 10:05:55 2018 New Revision: 263948 URL: https://gcc.gnu.org/viewcvs?rev=263948&root=gcc&view=rev Log: PR libstdc++/31413 fix test failure on Debian systems Debian uses a different D_FMT string for the zh_TW.UTF-8 locale, which caused this test to fail. Try to detect the Debian format and adjust the input being tested. PR libstdc++/31413 * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT string for alternative format. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/4.cc