https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90383
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2019-05-08 CC| |jakub at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Started with my r269078 change (but it is only rejected with -O1 and higher, at -O0 it is accepted). Guess because always_true isn't evaluated in constexpr context.