[Bug fortran/95541] New: ICE in gfc_get_dataptr_offset, at fortran/trans-array.c:6909

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95541

            Bug ID: 95541
           Summary: ICE in gfc_get_dataptr_offset, at
                    fortran/trans-array.c:6909
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started with r8, before 20180525 :


$ cat z1.f90
program p
   type t(n)
      integer, len :: n
      integer :: a(n)
   end type
   type(t(3)) :: x(2)
   x(1)%a = [1, 2, 3]
   x(2)%a = [4, 5, 6]
   associate (y => x(:)%a(3))
      print *, y
   end associate
   associate (y => x%a(3))
      print *, y
   end associate
end


$ gfortran-11-20200531 -c z1.f90
z1.f90:10:0:

   10 |       print *, y
      |
internal compiler error: in gfc_get_dataptr_offset, at
fortran/trans-array.c:6909
0x70f33a gfc_get_dataptr_offset(stmtblock_t*, tree_node*, tree_node*,
tree_node*, bool, gfc_expr*)
        ../../gcc/fortran/trans-array.c:6908
0x7141e1 gfc_conv_expr_descriptor(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-array.c:7766
0x76edb2 trans_associate_var
        ../../gcc/fortran/trans-stmt.c:1890
0x775a71 gfc_trans_block_construct(gfc_code*)
        ../../gcc/fortran/trans-stmt.c:2283
0x7016d7 trans_code
        ../../gcc/fortran/trans.c:1960
0x72ad24 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6840
0x6b25e6 translate_all_program_units
        ../../gcc/fortran/parse.c:6306
0x6b25e6 gfc_parse_file()
        ../../gcc/fortran/parse.c:6545
0x6fdfff gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:210