[Bug sanitizer/87837] [8/9 Regression] -O2 -fsanitize=signed-integer-overflow misses overflows on x86-64

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87837

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Even the above commented TYPE_OVERFLOW_SANITIZED looks weird, I'd expect the
type of the same expression on which we check TYPE_OVERFLOW_UNDEFINED.