https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63661
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |5.0 Summary|[4.9/5 Regression] -O2 |[4.9 Regression] -O2 |miscompiles with |miscompiles with |-mtune=nehalem or corei7 |-mtune=nehalem or corei7 Known to fail|5.0 | --- Comment #27 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Thus fixed on the trunk so far.