[Bug lto/83201] SPEC CPU2017 505.mcf_f produces incorrect output when built with -flto and FDO

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83201

--- Comment #1 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
It may be latent for a while -- the same problem exists with GCC 7.  (Well,
technically with branches/ibm/gcc-7-branch.)