1! { dg-do run }
2        SUBROUTINE F1(Q)
3        COMMON /DATA/ P, X
4        INTEGER, TARGET :: X
5        INTEGER, POINTER :: P
6        INTEGER Q
7        Q=1
8!$OMP FLUSH
9        ! X, P and Q are flushed
10        ! because they are shared and accessible
11      END SUBROUTINE F1
12      SUBROUTINE F2(Q)
13        COMMON /DATA/ P, X
14        INTEGER, TARGET :: X
15        INTEGER, POINTER :: P
16        INTEGER Q
17!$OMP BARRIER
18          Q=2
19!$OMP BARRIER
20          ! a barrier implies a flush
21          ! X, P and Q are flushed
22          ! because they are shared and accessible
23        END SUBROUTINE F2
24
25      INTEGER FUNCTION G(N)
26          COMMON /DATA/ P, X
27          INTEGER, TARGET :: X
28          INTEGER, POINTER :: P
29          INTEGER N
30          INTEGER I, J, SUM
31          I=1
32          SUM = 0
33          P=1
34!$OMP PARALLEL REDUCTION(+: SUM) NUM_THREADS(2)
35          CALL F1(J)
36                ! I, N and SUM were not flushed
37                !   because they were not accessible in F1
38                ! J was flushed because it was accessible
39          SUM = SUM + J
40          CALL F2(J)
41                ! I, N, and SUM were not flushed
42                ! because they were not accessible in f2
43                ! J was flushed because it was accessible
44          SUM = SUM + I + J + P + N
45!$OMP END PARALLEL
46          G = SUM
47      END FUNCTION G
48
49      PROGRAM A19
50        COMMON /DATA/ P, X
51        INTEGER, TARGET :: X
52        INTEGER, POINTER :: P
53        INTEGER RESULT, G
54        P => X
55        RESULT = G(10)
56        PRINT *, RESULT
57        IF (RESULT .NE. 30) THEN
58          CALL ABORT
59        ENDIF
60      END PROGRAM A19
61