[Bug other/92681] PGO bootstrap with --with-build-config=bootstrap-lto-lean is not training non-C++ frontends

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92681

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Is it actually making it worse from non-PGO or do we at least treat missing
profile data as "it wasn't trained"?