[Bug fortran/108451] New: [13 Regression] ICE in check_complete_insertion, at hash-table.h:578

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108451

            Bug ID: 108451
           Summary: [13 Regression] ICE in check_complete_insertion, at
                    hash-table.h:578
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started recently between 20221218 and 20230108, with special name pdtt :
(gcc configured with --enable-checking=yes)


$ cat z1.f90
module m
   type t(n)
      integer, len :: n
      integer :: a(n)
   end type
contains
   subroutine s(x)
      type(t(2)) :: x
   end
end
program p
   use m, only: t, pdtt, s
   type(t(2)) :: y
   call s(y)
end


$ gfortran-13-20221218 -c z1.f90   # missing error
$
$ gfortran-13-20230115 -c z1.f90
z1.f90:12:7:

   12 |    use m, only: t, pdtt, s
      |       1
internal compiler error: in check_complete_insertion, at hash-table.h:578
0x92fc0b hash_table<module_decl_hasher, false,
xcallocator>::check_complete_insertion() const
        ../../gcc/hash-table.h:578
0x92fc0b hash_table<module_decl_hasher, false,
xcallocator>::find_slot_with_hash(char const* const&, unsigned int,
insert_option)
        ../../gcc/hash-table.h:1042
0x92c57e gfc_trans_use_stmts
        ../../gcc/fortran/trans-decl.cc:5329
0x92d3a6 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.cc:7837
0x89ef8e translate_all_program_units
        ../../gcc/fortran/parse.cc:6721
0x89ef8e gfc_parse_file()
        ../../gcc/fortran/parse.cc:7027
0x8ed3af gfc_be_parse_file
        ../../gcc/fortran/f95-lang.cc:229