[Bug tree-optimization/97424] Warn on invalid shift amount after inlining

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97424

--- Comment #2 from Florian Weimer <fw at gcc dot gnu.org> ---
Indeed, Martin Sebor has suggested that it would have to be coupled with
__builtin_warning:
https://gcc.gnu.org/legacy-ml/gcc-patches/2019-10/msg01015.html