https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104096
Bug ID: 104096 Summary: ICE with parameterized derived type (PDT) Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: vivekrao4 at yahoo dot com Target Milestone: --- gfortran-11 --version GNU Fortran (Ubuntu 11.1.0-1ubuntu1~20.04) 11.1.0 <snip> (base) /mnt/c/fortran/test$ cat pdt_sub.f90 module m implicit none type :: t(n) integer, len :: n = 0 integer :: vec(n) end type t contains subroutine disp(dt) type(t(n=*)), intent(in) :: dt print*,dt%vec end subroutine disp end module m ! program main use m, only: t, disp implicit none integer, parameter :: n = 3 type(t(n)) :: x x%vec = [1,4,9] print*,x%vec call disp(x) end program main (base) /mnt/c/fortran/test$ gfortran-11 pdt_sub.f90 f951: internal compiler error: gfc_compare_array_spec(): Array spec clobbered 0x14f8018 gfc_internal_error(char const*, ...) ???:0 0x14a723b gfc_compare_array_spec(gfc_array_spec*, gfc_array_spec*) ???:0 0x14fb98a gfc_compare_derived_types(gfc_symbol*, gfc_symbol*) ???:0 0x15014b0 gfc_compare_actual_formal(gfc_actual_arglist**, gfc_formal_arglist*, int, int, bool, locus*) ???:0 0x150283b gfc_procedure_use(gfc_symbol*, gfc_actual_arglist**, locus*) ???:0 0x1591c97 gfc_resolve_code(gfc_code*, gfc_namespace*) ???:0 0x1572ad1 gfc_parse_file() ???:0 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <file:///usr/share/doc/gcc-11/README.Bugs> for instructions.