https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67973
--- Comment #12 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- Right: an initial version was posted to gcc-patches at the listed URL, but is currently being reworked. I usually only attach patches if they are not yet ready for posting. Rainer