[Bug sanitizer/79897] ICE in gimplify_modify_expr, at gimplify.c:5627 on ARM target

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79897

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Another observation: doesn't ICE with -fsigned-char.