https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71795
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P4 CC| |tkoenig at gcc dot gnu.org Known to work| |4.8.5 Known to fail| |4.9.3, 5.4.0, 6.1.0, 7.0 --- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- While I can reproduce the problem with the first test in comment 0, I get 1.0000000000000000 1.0000000000000000 1.0000000000000000 with all the versions and optimizations I have tested. Workaround for the first test: compile it with -fno-frontend-optimize.