[Bug sanitizer/107893] gcc trunk at -O0 (UBSan) misses a Null-pointer-dereference

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107893

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
You don't store the shift result anywhere and there are no side-effects in the
expression, so nothing prevents the compiler from optimizing out the whole
expression.