[Bug fortran/87751] New: ICE in gfc_trans_assignment_1, at fortran/trans-expr.c:10255

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87751

            Bug ID: 87751
           Summary: ICE in gfc_trans_assignment_1, at
                    fortran/trans-expr.c:10255
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Down to version 5 at least, with an invalid function reference
and together with option -fcheck=all or -fcheck=mem :


$ cat z1.f90
program p
   interface
      function f() result(z)
         integer, allocatable :: z(:)
      end
   end interface
   procedure(f), pointer :: g => null()
   g = 1
end


$ gfortran-9-20181021 -c z1.f90
$
$ gfortran-9-20181021 -c z1.f90 -fcheck=all
z1.f90:8:0:

    8 |    g = 1
      |
internal compiler error: in gfc_trans_assignment_1, at
fortran/trans-expr.c:10255
0x6fc273 gfc_trans_assignment_1
        ../../gcc/fortran/trans-expr.c:10254
0x6bd90f trans_code
        ../../gcc/fortran/trans.c:1822
0x6e51c4 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6505
0x673426 translate_all_program_units
        ../../gcc/fortran/parse.c:6125
0x673426 gfc_parse_file()
        ../../gcc/fortran/parse.c:6328
0x6ba3ff gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:204