https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82768
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-11-01 CC| |marxin at gcc dot gnu.org Ever confirmed|0 |1 Known to fail| |6.4.0, 7.2.0, 8.0 --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- Confirmed on all release that support -fconcepts. Is it a valid code?