https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212 --- Comment #110 from Kazumoto Kojima <kkojima at gcc dot gnu.org> --- (In reply to Oleg Endo from comment #109) > Maybe it also fixes the std::locale issues. Kaz, could > you please have a look? It doesn't fix those failures. I'll try to bisect that issue.