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! PR tree-optimization/29581
! { dg-do run }
! { dg-skip-if "" { *-*-* } { "-O0" } { "" } }
! { dg-additional-options "-ftree-loop-linear" }
SUBROUTINE FOO (K)
INTEGER I, J, K, A(5,5), B
COMMON A
A(1,1) = 1
10 B = 0
DO 30 I = 1, K
DO 20 J = 1, K
B = B + A(I,J)
20 CONTINUE
A(I,I) = A(I,I) * 2
30 CONTINUE
IF (B.GE.3) RETURN
GO TO 10
END SUBROUTINE
PROGRAM BAR
INTEGER A(5,5)
COMMON A
CALL FOO (2)
IF (A(1,1).NE.8) CALL ABORT
A(1,1) = 0
IF (ANY(A.NE.0)) CALL ABORT
END
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