[Bug sanitizer/70135] -fsanitize=undefined causes static_assert to fail

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70135

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Would be nice to have this reduced :/.  Markus, are you by any chance reducing
this one or shall I?