https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68216
--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Paul, I'm delighted than someone is finally working on this long-standing > problem. Seconded! > I hope you're also taking a look at all the other related PRs that Dominique > pointed out; I suspect that they all share the same core error. -Neil Well, don't hope too much! If I had found obvious duplicates, I'ld say so (besides pr55735 appearing twice after correction and this PR being probably a duplicate of pr50221).