https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66868
--- Comment #10 from Matthias Klose <doko at gcc dot gnu.org> --- rechecked with a 5.2.0 release tarball, fails with -O3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66868
--- Comment #10 from Matthias Klose <doko at gcc dot gnu.org> --- rechecked with a 5.2.0 release tarball, fails with -O3