[Bug bootstrap/103899] make profiledbootstrap fails due to uninitialized warning in expr.c

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103899

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I am going to try to reduce the issue as I know without -fprofile-generate, GCC
does not warn .