https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88227
Bug ID: 88227 Summary: ICE in gfc_convert_boz, at fortran/target-memory.c:788 Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- With -m32 down to at least gfortran-5 : $ cat z1.f90 program p print *, dble(b'1010101001101') end $ cat z2.f90 program p print *, real(b'1010101001101') end $ gfortran-9-20181125 -m32 -fdefault-real-8 -c z2.f90 $ gfortran-9-20181125 -m64 -fdefault-real-8 -c z1.f90 $ $ gfortran-9-20181125 -m32 -fdefault-real-8 -c z1.f90 f951: internal compiler error: Segmentation fault 0xb2bcff crash_signal ../../gcc/toplev.c:326 0x6b1ba9 mode_to_bytes(machine_mode) ../../gcc/machmode.h:520 0x6b1ba9 if_nonpoly<scalar_int_mode::measurement_type, scalar_int_mode::measurement_type, poly_int_traits<scalar_int_mode::measurement_type>::is_poly>::type GET_MODE_SIZE<scalar_int_mode>(scalar_int_mode const&) ../../gcc/machmode.h:617 0x6b1ba9 size_integer ../../gcc/fortran/target-memory.c:42 0x6b2ffc gfc_convert_boz(gfc_expr*, gfc_typespec*) ../../gcc/fortran/target-memory.c:788 0x69cb60 convert_boz ../../gcc/fortran/simplify.c:226 0x6a88a3 gfc_simplify_dble(gfc_expr*) ../../gcc/fortran/simplify.c:2222 0x62dedf do_simplify ../../gcc/fortran/intrinsic.c:4480 0x6385be gfc_intrinsic_func_interface(gfc_expr*, int) ../../gcc/fortran/intrinsic.c:4875 0x68f961 resolve_unknown_f ../../gcc/fortran/resolve.c:2875 0x68f961 resolve_function ../../gcc/fortran/resolve.c:3213 0x68c1cd gfc_resolve_expr(gfc_expr*) ../../gcc/fortran/resolve.c:6832 0x68420b gfc_resolve_code(gfc_code*, gfc_namespace*) ../../gcc/fortran/resolve.c:11262 0x693edf gfc_resolve_blocks(gfc_code*, gfc_namespace*) ../../gcc/fortran/resolve.c:10302 0x684399 gfc_resolve_code(gfc_code*, gfc_namespace*) ../../gcc/fortran/resolve.c:11252 0x68702f resolve_codes ../../gcc/fortran/resolve.c:16704 0x6870fe gfc_resolve(gfc_namespace*) ../../gcc/fortran/resolve.c:16739 0x674e87 resolve_all_program_units ../../gcc/fortran/parse.c:6064 0x674e87 gfc_parse_file() ../../gcc/fortran/parse.c:6314 0x6bdaff gfc_be_parse_file ../../gcc/fortran/f95-lang.c:204