! { dg-do compile }
        SUBROUTINE A13(X, Y)
        REAL X(*), Y(*)
        INTEGER IX_NEXT, IY_NEXT
!$OMP PARALLEL SHARED(X, Y) PRIVATE(IX_NEXT, IY_NEXT)
!$OMP CRITICAL(XAXIS)
        CALL DEQUEUE(IX_NEXT, X)
!$OMP END CRITICAL(XAXIS)
        CALL WORK(IX_NEXT, X)
!$OMP CRITICAL(YAXIS)
        CALL DEQUEUE(IY_NEXT,Y)
!$OMP END CRITICAL(YAXIS)
        CALL WORK(IY_NEXT, Y)
!$OMP END PARALLEL
      END SUBROUTINE A13