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! PR rtl-optimization/49472
! { dg-do compile }
! { dg-options "-O -fcompare-debug -ffast-math" }
subroutine pr49472
integer, parameter :: n = 3
real(8) :: a, b, c, d, e (n+1)
integer :: i
do i=2, (n+1)
b = 1. / ((i - 1.5d0) * 1.)
c = b * a
d = -b * c / (1. + b * b) ** 1.5d0
e(i) = d
end do
call dummy (e)
end subroutine
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