https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78618
Bug ID: 78618 Summary: ICE in gfc_check_rank, at fortran/check.c:3670 Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gerhard.steinmetz.fort...@t-online.de Target Milestone: --- With invalid code, down to at least 4.8 : $ cat z1.f90 program p character, parameter :: c = char(256,4) print *, rank(c) end $ gfortran-7-20161127 z1.f90 f951: internal compiler error: Segmentation fault 0xc4532f crash_signal ../../gcc/toplev.c:333 0x66bb6b gfc_check_rank(gfc_expr*) ../../gcc/fortran/check.c:3670 0x6a0f34 check_specific ../../gcc/fortran/intrinsic.c:4506 0x6aad94 gfc_intrinsic_func_interface(gfc_expr*, int) ../../gcc/fortran/intrinsic.c:4721 0x6f2814 resolve_unknown_f ../../gcc/fortran/resolve.c:2733 0x6f2814 resolve_function ../../gcc/fortran/resolve.c:3035 0x6f291a gfc_resolve_expr(gfc_expr*) ../../gcc/fortran/resolve.c:6482 0x6f8f32 gfc_resolve_code(gfc_code*, gfc_namespace*) ../../gcc/fortran/resolve.c:10818 0x6f8c07 gfc_resolve_blocks(gfc_code*, gfc_namespace*) ../../gcc/fortran/resolve.c:9865 0x6f903b gfc_resolve_code(gfc_code*, gfc_namespace*) ../../gcc/fortran/resolve.c:10808 0x6fba22 resolve_codes ../../gcc/fortran/resolve.c:16025 0x6fbb1e gfc_resolve(gfc_namespace*) ../../gcc/fortran/resolve.c:16060 0x6e609a resolve_all_program_units ../../gcc/fortran/parse.c:5977 0x6e609a gfc_parse_file() ../../gcc/fortran/parse.c:6224 0x729ee2 gfc_be_parse_file ../../gcc/fortran/f95-lang.c:202