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! { dg-do run }
! PR 48955 - missing array temporary when there was both a forward
! and a backward dependency.
! Test case slightly modified from the original one by Kacper Kowalik.
program ala
implicit none
integer, parameter :: n = 6
real, dimension(n), parameter :: result = [1.,10.,30.,90.,270., 243.];
real, dimension(n) :: v0, v1
character(len=80) :: line1, line2
v0 = [1.0, 3.0, 9.0, 27.0, 81.0, 243.0]
v1 = v0
v1(2:n-1) = v1(1:n-2) + v1(3:n)
if (any(v1 /= result)) call abort
v1 = v0
v1(2:n-1) = v0(1:n-2) + v0(3:n)
if (any(v1 /= result)) call abort
v1 = v0
v1(2:n-1) = v1(3:n) + v1(1:n-2)
if (any(v1 /= result)) call abort
v1 = v0
v1(2:n-1) = v0(3:n) + v0(1:n-2)
if (any(v1 /= result)) call abort
end program ala
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