https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116585
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to qinzhao from comment #5) > (In reply to Richard Biener from comment #4) > > Fixed on trunk sofar. > > thanks a lot for fixing this so quick. > Will this patch be backported to older releases? Yes, I'll pick it up after some soaking on trunk during my next backporting round. If you want to do the work of cherry-picking and regtesting feel free to do this earlier - it's been a week on trunk and a quite safe change.