! { 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 | |