1! { dg-options "-O2 -floop-nest-optimize" }
2
3      SUBROUTINE BUG(A,B,X,Y,Z,N)
4      IMPLICIT NONE
5      DOUBLE PRECISION A(*),B(*),X(*),Y(*),Z(*)
6      INTEGER N,J,K
7      K = 0
8      DO J = 1,N
9         K = K+1
10         X(K) = B(J+N*7)
11         Y(K) = B(J+N*8)
12         Z(K) = B(J+N*2)  + A(J+N*2)
13         K = K+1
14         X(K) = B(J+N*3)  + A(J+N*3)
15         Y(K) = B(J+N*9)  + A(J)
16         Z(K) = B(J+N*15)
17         K = K+1
18         X(K) = B(J+N*4)  + A(J+N*4)
19         Y(K) = B(J+N*15)
20         Z(K) = B(J+N*10) + A(J)
21         K = K+1
22         X(K) = B(J+N*11) + A(J+N)
23         Y(K) = B(J+N*5)  + A(J+N*5)
24         Z(K) = B(J+N*16)
25         K = K+1
26         X(K) = B(J+N*16)
27         Y(K) = B(J+N*6)  + A(J+N*6)
28         Z(K) = B(J+N*12) + A(J+N)
29         K = K+1
30         X(K) = B(J+N*13) + A(J+N*2)
31         Y(K) = B(J+N*17)
32         Z(K) = B(J+N*7)  + A(J+N*7)
33      ENDDO
34      RETURN
35      END
36