PR libstdc++/88681 export missing symbols
These new facet functions were added to GCC 5.1 but the versions for the
old std::string ABI were never exported from the shared library.
PR libstdc++/88681
* config/abi/pre/gnu.ver: Add missing exports.
* testsuite/22_locale/collate_byname/88681.cc: New test.
* testsuite/22_locale/time_get/get/char/88681.cc: New test.
* testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@267563
138bc75d-0d04-0410-961f-
82ee72b054a4