[Bug middle-end/117546] [14 regression] Different (and incorrect) behavior when compiling C code with -O2

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117546

--- Comment #6 from Sam James <sjames at gcc dot gnu.org> ---
Created attachment 59583
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59583&action=edit
reduced.c

Reducing it more now as it's a bit too big still.