From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-354298-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 4396 invoked by alias); 20 Apr 2011 19:35:08 -0000
Received: (qmail 4287 invoked by uid 22791); 20 Apr 2011 19:35:08 -0000
X-SWARE-Spam-Status: No, hits=-2.8 required=5.0	tests=ALL_TRUSTED,AWL,BAYES_00
X-Spam-Check-By: sourceware.org
Received: from localhost (HELO gcc.gnu.org) (127.0.0.1)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 20 Apr 2011 19:34:52 +0000
From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/48705] New: [OOP] ICE with generic TBP
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: fortran
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: burnus at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Changed-Fields:
Message-ID: <bug-48705-4@http.gcc.gnu.org/bugzilla/>
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
Content-Type: text/plain; charset="UTF-8"
MIME-Version: 1.0
Date: Wed, 20 Apr 2011 19:35:00 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2011-04/txt/msg02202.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48705

           Summary: [OOP] ICE with generic TBP
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: burnus@gcc.gnu.org
                CC: janus@gcc.gnu.org


The following program fails with:

generic_deferred_01_pos.f90:45:0: internal compiler error: in fold_convert_loc,
at fold-const.c:1915

The test case is part of LRZ's fortran_tests.

module generic_deferred
  implicit none
  type, abstract :: addable
  contains
    private
    procedure(add), deferred :: a
    generic, public :: operator(+) => a 
  end type addable
  abstract interface
    function add(x, y) result(res)
      import :: addable
      class(addable), intent(in) :: x, y
      class(addable), allocatable :: res
    end function add
  end interface
  type, extends(addable) :: vec
    integer :: i(2)
  contains
    procedure :: a => a_vec
  end type
contains
  function a_vec(x, y) result(res)
    class(vec), intent(in) :: x
    class(addable), intent(in) :: y
    class(addable), allocatable :: res
    integer :: ii(2)
    select type(y)
    class is (vec)
      ii = y%i
    end select 
    allocate(vec :: res)
    select type(res)
    type is (vec)
       res%i = x%i + ii
    end select
  end function
end module generic_deferred
program prog
  use generic_deferred
  implicit none
  type(vec) :: x, y
  class(addable), allocatable :: z
!  x = vec( (/1,2/) );   y = vec( (/2,-2/) )
  x%i = (/1,2/); y%i = (/2,-2/)
  allocate(z, source= x + y)
  select type(z)
  type is(vec)
     if (z%i(1) /= 3 .or. z%i(2) /= 0) then
        write(*,*) 'FAIL'
     else
        write(*,*) 'OK'
     end if
  end select
end program prog