[Bug sanitizer/83219] [8 regression] c-c++-common/ubsan/unreachable-2.c fails starting with r255201

[andrey.y.guskov at intel dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83219

--- Comment #10 from Andrey Guskov <andrey.y.guskov at intel dot com> ---
Confirmed on Haswell and Silvermont.