https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64883
--- Comment #23 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > does my incremental patch fix that on Darwin14 - I can send it to you if > cut & paste mangled. If you mean the patch in comment 19, yes it does (I only applied it for c++200x and c++2014).