[Bug tree-optimization/107409] Perf loss ~5% on 519.lbm_r SPEC cpu2017 benchmark with r10-5090-ga9a4edf0e71bba

[rvmallad at amazon dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107409

--- Comment #14 from Rama Malladi <rvmallad at amazon dot com> ---
(In reply to Martin Liška from comment #13)
> Note the mentioned revision is a fix and yes, sometimes these revisions can
> end up with a regression as profile estimation is a complex guess.

Yes, possibly. So, from my understanding, the update_max_bb_count() tracks the
max basic block count and takes a decision to inline or not in this case/ run.
That is likely why we see a larger instruction count w this function executed/
enabled.