[Bug bootstrap/80455] -Werror=coverage-mismatch in profiledboostrap despite --disable-werror

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80455

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
The same error happens in both a powerpc64le build as well as on x86_64.