https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78238
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2016-11-07 Ever confirmed|0 |1 --- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- AFAICT you need a recent compiler configured with --enable-checking=yes. I am currently investigating.