[Bug bootstrap/82831] [8 Regression] Broken PGO bootstrap after r254379

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82831

--- Comment #28 from Martin Liška <marxin at gcc dot gnu.org> ---
I've just sent patch to gcc-patches:
https://gcc.gnu.org/ml/gcc-patches/2018-01/msg00604.html