[Bug gcov-profile/77921] [7 Regression] tree-ssanames.c miscompiled during PGO bootstrap

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77921

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
gcc version 7.0.0 20161007 was fine