https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78618
--- Comment #13 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- I also get /opt/gcc/_clean/gcc/testsuite/gfortran.dg/char_conversion.f90:8:30: character, parameter :: c = char(256,4) ! { dg-error "cannot be converted" } 1 Error: Character '\u0100' in string at (1) cannot be converted into character kind 1 f951: internal compiler error: Segmentation fault: 11 on darwin.