From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-304507-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 9025 invoked by alias); 7 Jan 2010 17:22:10 -0000
Received: (qmail 9000 invoked by uid 48); 7 Jan 2010 17:21:59 -0000
Date: Thu, 07 Jan 2010 17:22:00 -0000
Subject: [Bug fortran/42651]  New: Functions with result: Wrongly accepts attributes to function name
X-Bugzilla-Reason: CC
Message-ID: <bug-42651-13404@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "burnus at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
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: 2010-01/txt/msg00814.txt.bz2

Using VOLATILE, TARGET etc. for function names is valid, but only if there is
no extra RESULT variable.

I thought the following would fix it, but it does not seem to work:


  if (attr->function && !attr->result)
    {
      a1 = function;
      conf2 (allocatable);
      conf2 (asynchronous);
      conf2 (dimension);
      conf2 (pointer);
      conf2 (target);
      conf2 (volatile_);
    }


Test case:

integer function func()
  asynchronous :: func
  integer, asynchronous:: b
  allocatable :: c
  volatile :: func
  type t
    sequence
    integer :: i = 5
  end type t
end function func

function func2() result(res)
  volatile res
  volatile func2     ! { dg-error "FUNCTION attribute conflicts with VOLATILE"
}
  asynchronous res
  asynchronous func2 ! { dg-error "FUNCTION attribute conflicts with
ASYNCHRONOUS" }
  allocatable func2  ! { dg-error "FUNCTION attribute conflicts with
ALLOCATABLE" }
  target func2       ! { dg-error "FUNCTION attribute conflicts with TARGET" }
  dimension func2(2) ! { dg-error "FUNCTION attribute conflicts with DIMENSION"
}
end function func2


-- 
           Summary: Functions with result: Wrongly accepts attributes to
                    function name
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Keywords: accepts-invalid
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: burnus at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42651