[Bug fortran/77414] New: ICE in create_function_arglist, at fortran/trans-decl.c:2410

["gerhard dot steinmetz dot fortran at t-online dot de" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77414

            Bug ID: 77414
           Summary: ICE in create_function_arglist, at
                    fortran/trans-decl.c:2410
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gerhard.steinmetz.fortran@t-online.de
  Target Milestone: ---

With invalid code, down to at least 4.8, related to pr44348 :


$ cat z1.f90
subroutine s(x)
   character(*) :: x
contains
   subroutine s(x)
      character(*) :: x
   end
end


$ gfortran-7-20160828 z1.f90
z1.f90:4:0:

    subroutine s(x)

internal compiler error: in create_function_arglist, at
fortran/trans-decl.c:2410
0x742cf1 create_function_arglist
        ../../gcc/fortran/trans-decl.c:2410
0x746bb9 gfc_create_function_decl(gfc_namespace*, bool)
        ../../gcc/fortran/trans-decl.c:2820
0x74f349 gfc_generate_contained_functions
        ../../gcc/fortran/trans-decl.c:5185
0x74f349 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6143
0x6db090 translate_all_program_units
        ../../gcc/fortran/parse.c:5910
0x6db090 gfc_parse_file()
        ../../gcc/fortran/parse.c:6116
0x71d3a2 gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:198