https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101069
Bug ID: 101069 Summary: ICE in gfc_resolve_expr, at fortran/resolve.c:7087 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- The ICE is always reproducible with gcc-11-20201004 and newer on my environment, and never with gcc-11-20200823, but ICEs sometimes sporadically for older versions too. Other brands may also stumble. $ cat z1.f90 program p character(*), parameter :: x(2) = [character(n) :: 'a', 'b'] end $ gfortran-12-20210613 -c z1.f90 # configured with --enable-checking=yes z1.f90:2:34: 2 | character(*), parameter :: x(2) = [character(n) :: 'a', 'b'] | 1 Error: Cannot initialize parameter array at (1) with variable length elements f951: internal compiler error: Segmentation fault 0xe1963f crash_signal ../../gcc/toplev.c:327 0x798173 gfc_resolve_expr(gfc_expr*) ../../gcc/fortran/resolve.c:7087 0x79a9d4 gfc_resolve_expr(gfc_expr*) ../../gcc/fortran/resolve.c:12525 0x79a9d4 resolve_charlen ../../gcc/fortran/resolve.c:12475 0x7a6c29 resolve_charlen ../../gcc/fortran/resolve.c:12466 0x7a6c29 resolve_types ../../gcc/fortran/resolve.c:17344 0x7a227c gfc_resolve(gfc_namespace*) ../../gcc/fortran/resolve.c:17461 0x78a7b4 resolve_all_program_units ../../gcc/fortran/parse.c:6400 0x78a7b4 gfc_parse_file() ../../gcc/fortran/parse.c:6652 0x7d7dcf gfc_be_parse_file ../../gcc/fortran/f95-lang.c:212