https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64672
--- Comment #10 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Perhaps for consistency, we should mark both fopenmp and fopenacc > as LTO options? Not sure to understand. Is it not what the patch at https://gcc.gnu.org/ml/gcc-patches/2014-11/msg00085.html does? If yes, it works for my tests.