https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91863

            Bug ID: 91863
           Summary: [9/10 Regression] ICE in wide_int_to_tree_1, at
                    tree.c:156
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gs...@t-online.de
  Target Milestone: ---

Changed between 20190217 and 20190224 :


$ cat z1.f90
program p
   interface
      subroutine sub(x) bind(c)
         integer, allocatable, intent(out) :: x(:)
      end
   end interface
   integer, allocatable :: a(:)
   call sub(a)
end


$ cat z2.f90
program p
   integer, allocatable :: a(:)
   call sub(a)
contains
   subroutine sub(x) bind(c)
      integer, allocatable, intent(out) :: x(:)
   end
end


$ gfortran-9-20190217 -c z1.f90
$
$ gfortran-10-20190922 -c z1.f90
z1.f90:8:0:

    8 |    call sub(a)
      |
internal compiler error: in wide_int_to_tree_1, at tree.c:1568
0xda9dc2 wide_int_to_tree_1
        ../../gcc/tree.c:1568
0xdaa2eb wide_int_to_tree(tree_node*, poly_int<1u,
generic_wide_int<wide_int_ref_storage<false, true> > > const&)
        ../../gcc/tree.c:1693
0xdaa2eb build_int_cst(tree_node*, poly_int<1u, long>)
        ../../gcc/tree.c:1362
0x6ceae1 gfc_deallocate_with_status(tree_node*, tree_node*, tree_node*,
tree_node*, tree_node*, bool, gfc_expr*, int, tree_node*, tree_node*)
        ../../gcc/fortran/trans.c:1371
0x70561e 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:6204
0x739a18 gfc_trans_call(gfc_code*, bool, tree_node*, tree_node*, bool)
        ../../gcc/fortran/trans-stmt.c:406
0x6cc3c1 trans_code
        ../../gcc/fortran/trans.c:1920
0x6f4d94 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6781
0x67eb76 translate_all_program_units
        ../../gcc/fortran/parse.c:6254
0x67eb76 gfc_parse_file()
        ../../gcc/fortran/parse.c:6493
0x6c8a8f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:204

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