1! { dg-do compile }
2! { dg-options "-O2 -fno-tree-pre -fpredictive-commoning -fdump-tree-pcom-details" }
3subroutine trisolve2(x,i1,i2,nxyz)
4integer :: nxyz
5real,dimension(nxyz):: au1
6real,allocatable,dimension(:) :: gi
7integer :: i1 , i2
8real,dimension(i2)::x
9integer :: i
10allocate(gi(nxyz))
11do i = i1+1 , i2
12   x(i) = gi(i)*(x(i)-au1(i-1)*x(i-1))
13enddo
14end subroutine trisolve2
15! { dg-final { scan-tree-dump "Executing predictive commoning" "pcom" } }
16