[Bug fortran/103366] New: [12 Regression] ICE in gfc_conv_gfc_desc_to_cfi_desc, at fortran/trans-expr.c:5647

["gscfq@t-online.de" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103366

            Bug ID: 103366
           Summary: [12 Regression] ICE in gfc_conv_gfc_desc_to_cfi_desc,
                    at fortran/trans-expr.c:5647
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

This changed between 20211017 and 20211024 :


$ cat z1.f90
program p
contains
   subroutine s(x) bind(c)
      type(*) :: x(..)
   end
   subroutine u(x)
      class(*) :: x(..)
      call s(x)
   end
end


$ gfortran-12-20211017 -c z1.f90
$
$ gfortran-12-20211121 -c z1.f90
z1.f90:8:15:

    8 |       call s(x)
      |               1
internal compiler error: in gfc_conv_gfc_desc_to_cfi_desc, at
fortran/trans-expr.c:5647
0x886d7e gfc_conv_gfc_desc_to_cfi_desc
        ../../gcc/fortran/trans-expr.c:5647
0x88bf87 gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*,
gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
        ../../gcc/fortran/trans-expr.c:6802
0x8c6f90 gfc_trans_call(gfc_code*, bool, tree_node*, tree_node*, bool)
        ../../gcc/fortran/trans-stmt.c:422
0x84fb38 trans_code
        ../../gcc/fortran/trans.c:1984
0x8789fe gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:7644
0x87882c gfc_generate_contained_functions
        ../../gcc/fortran/trans-decl.c:5772
0x87882c gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:7576
0x7fbd3e translate_all_program_units
        ../../gcc/fortran/parse.c:6638
0x7fbd3e gfc_parse_file()
        ../../gcc/fortran/parse.c:6925
0x848a6f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:216