[Bug lto/77472] __attribute__((flatten)) when used with -flto can lead to extreme number of inlined functions

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77472

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
So apart from the known algorithmic issue in key updating (which Honza promises
to fix since a few years ...) this is a "doctor it hurts when I do this"
kind-of-issue.