[Bug ipa/63576] [5 Regression] ICE : in ipa_merge_profiles, at ipa-utils.c:540 during Firefox LTO/PGO build

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63576

--- Comment #8 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Markus,
I don't seem to be able to train firefox with current tree because of unrelated
issues.  If you would have chance to test the patch on your setup, it would be
cool.