blob: a19d07663a79a11c44299c68915db4267b3b8ac5 [file] [log] [blame]
! { dg-do compile }
! { dg-options "-O2 -ftree-tail-merge -fno-delete-null-pointer-checks -fno-guess-branch-probability" }
!
! based on testsuite/gfortran.dg/alloc_comp_optional_1.f90,
! which was contributed by David Kinniburgh <davidkinniburgh@yahoo.co.uk>
!
program test_iso
type ivs
character(LEN=1), dimension(:), allocatable :: chars
end type ivs
type(ivs) :: v_str
integer :: i
call foo(v_str, i)
if (v_str%chars(1) .ne. "a") STOP 1
if (i .ne. 0) STOP 2
call foo(flag = i)
if (i .ne. 1) STOP 3
contains
subroutine foo (arg, flag)
type(ivs), optional, intent(out) :: arg
integer :: flag
if (present(arg)) then
arg = ivs([(char(i+96), i = 1,10)])
flag = 0
else
flag = 1
end if
end subroutine
end