https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589
--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> --- Created attachment 50707 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50707&action=edit prototype For reference this is the prototype patch I mentioned. I wasn't entirely happy and wanted to explore the ??? in the commit message.