[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 #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I suspect this is a regression and one caused by some of the jump threading
patches. Let me finish up reducing the testcase and I will test the reduced one
on different versions of GCC.