https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56744 --- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > buoyancyFilename="buoyancy_example” Shouldn't it be buoyancyFilename="buoyancy_example" ? Next time please open a new PR instead of highjacking a meta-bug.