[Bug tree-optimization/93084] [10 regression] Infinite loop in ipa-cp when building clang with LTO+PGO

[fxue at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93084

--- Comment #12 from fxue at gcc dot gnu.org ---
Identified the cause, it's my bug, will give a fix soon.