[Bug c/80097] internal compiler error in c_fully_fold_internal with std=c89 and -fsanitize=float-divide-by-zero

[max at maxbruckner dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80097

--- Comment #1 from Max Bruckner <max at maxbruckner dot de> ---
Created attachment 41000
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41000&action=edit
Makefile with the compiler options necessary to reproduce the bug