[Bug gcov-profile/77698] Unrolled loop not considered hot after profiling

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77698

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
One another observation, working sets are wrong as they do not respect # of
runs:

1 run:
threshold = 1, sum_all=190579

10 tuns:
threshold = 10, sum_all=1905790