[Bug bootstrap/80978] [8 Regression] LTO/PGO bootstrap broken by r248863

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80978

--- Comment #3 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
HJ's tester sees the same ICE:
https://gcc.gnu.org/ml/gcc-regression/2017-06/msg00057.html