https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106800
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Created attachment 58699 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58699&action=edit patches in progress I've come up with this sofar, it's a bit difficult to navigate the current behavior wrt. truthvalue conversion and I am not too happy with the required "hacks". A C FE expert might provide guidance.