[Bug fortran/69566] New: [6 Regression] ICE with unlimited polymorphic array pointer function

[janus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69566

            Bug ID: 69566
           Summary: [6 Regression] ICE with unlimited polymorphic array
                    pointer function
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: janus at gcc dot gnu.org
  Target Milestone: ---

Follow-up to PR 64578 comment 18:


  print *, associated(return_pointer()) ! ICE
contains
  function return_pointer()
    class(*), pointer :: return_pointer(:)
  end function 
end


ICEs with trunk, but not with gfortran-5:

internal compiler error: Speicherzugriffsfehler
0xa7a0ef crash_signal
        /home/janus/gcc/trunk/gcc/toplev.c:335
0x6b6f4f gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*,
gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
        /home/janus/gcc/trunk/gcc/fortran/trans-expr.c:4727
0x6b82b4 gfc_conv_function_expr
        /home/janus/gcc/trunk/gcc/fortran/trans-expr.c:6554
0x6c25d5 gfc_conv_associated
        /home/janus/gcc/trunk/gcc/fortran/trans-intrinsic.c:6662
0x6d55c9 gfc_conv_intrinsic_function(gfc_se*, gfc_expr*)
        /home/janus/gcc/trunk/gcc/fortran/trans-intrinsic.c:7810
0x6b8248 gfc_conv_function_expr
        /home/janus/gcc/trunk/gcc/fortran/trans-expr.c:6530
0x6be2c5 gfc_conv_expr_reference(gfc_se*, gfc_expr*)
        /home/janus/gcc/trunk/gcc/fortran/trans-expr.c:7660
0x6dad31 gfc_trans_transfer(gfc_code*)
        /home/janus/gcc/trunk/gcc/fortran/trans-io.c:2382
0x687e37 trans_code
        /home/janus/gcc/trunk/gcc/fortran/trans.c:1888
0x6d88b7 build_dt
        /home/janus/gcc/trunk/gcc/fortran/trans-io.c:1909
0x687e57 trans_code
        /home/janus/gcc/trunk/gcc/fortran/trans.c:1860
0x6ac1ec gfc_generate_function_code(gfc_namespace*)
        /home/janus/gcc/trunk/gcc/fortran/trans-decl.c:6107
0x643110 translate_all_program_units
        /home/janus/gcc/trunk/gcc/fortran/parse.c:5612
0x643110 gfc_parse_file()
        /home/janus/gcc/trunk/gcc/fortran/parse.c:5818
0x685222 gfc_be_parse_file
        /home/janus/gcc/trunk/gcc/fortran/f95-lang.c:201


According to Diminique ... The change occurred between revisions r224160
(2015-06-05, compiles) and r224647 (2015-06-19, ICE).