[Bug middle-end/111278] error: call to ‘...’ declared with attribute error: code path is reachable with -Og, but not -O2

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111278

--- Comment #5 from Sam James <sjames at gcc dot gnu.org> ---
Created attachment 55836
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55836&action=edit
reduced.i

Clang seems to fail to build this reduced one with -O0 too, although -O1/-Og
are ok there.