https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91390
--- Comment #5 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- Created attachment 46724 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46724&action=edit Something that sort of works... and also extends the error message with a reference to where the mismatching procedure is defined.