https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79502
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Latest untested patch at: https://gcc.gnu.org/ml/gcc-patches/2017-02/msg01051.html The earlier one caused bootstrap failures (this one includes testcases from that as well as adjusted testcases from that, one fails also with GCC 6).
