1! PR rtl-optimization/49472 2! { dg-do compile } 3! { dg-options "-O -fcompare-debug -ffast-math" } 4subroutine pr49472 5 integer, parameter :: n = 3 6 real(8) :: a, b, c, d, e (n+1) 7 integer :: i 8 do i=2, (n+1) 9 b = 1. / ((i - 1.5d0) * 1.) 10 c = b * a 11 d = -b * c / (1. + b * b) ** 1.5d0 12 e(i) = d 13 end do 14 call dummy (e) 15end subroutine 16