https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79230
--- Comment #22 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > > Finally rt_error --check radiation_generator failed with > > > > Running test: radiation_generator_1 > > Program received signal SIGSEGV: Segmentation fault - invalid memory > > reference. > > This, however, seems to be a problem. That segmentation fault seems > to be another problem not yet covered by the fix. The change occurred between revisions r242872 (2016-11-25) and r242901 (2016-11-27, SIGSEGV), r242875 (pr78293)?. I let you reduce the problem and file a new PR.