http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53088
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-23 18:54:41 UTC --- (In reply to comment #1) > Mine. i386 outputs the message with input_loc, so it seems we need to set it > correctly. It should use some more sensible location though - input_location should be essentially non-accessible from outside the frontend. Also see the bogus caret on the function prototype (which should point to the union parameter?)