https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64589
--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Works with current trunk as of r224477. Please cross check! Not for me at r224485 (clean): [Book15] f90/bug% gfc pr64589.f90 Undefined symbols for architecture x86_64: "___vtab_INTEGER_4_.3443", referenced from: ___astg_mpifilehandler_mod_MOD_getsuffix in ccsS2B1M.o ... [Book15] f90/bug% gfc pr64589_1.f90 pr64589_1.f90:11:0: program p 1 internal compiler error: in build_function_decl, at fortran/trans-decl.c:2046 ...