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! { dg-do run }
!
! LOCK/UNLOCK check
!
! PR fortran/18918
!
use iso_fortran_env
implicit none
type(lock_type) :: lock[*]
integer :: stat
logical :: acquired
LOCK(lock)
UNLOCK(lock)
stat = 99
LOCK(lock, stat=stat)
if (stat /= 0) call abort()
stat = 99
UNLOCK(lock, stat=stat)
if (stat /= 0) call abort()
if (this_image() == 1) then
acquired = .false.
LOCK (lock[this_image()], acquired_lock=acquired)
if (.not. acquired) call abort()
UNLOCK (lock[1])
end if
end
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