1! { dg-do run } 2! { dg-options "-ffrontend-optimize" } 3! PR 56872 - wrong front-end optimization with a single constructor. 4! Original bug report by Rich Townsend. 5 integer :: k 6 real :: s 7 integer :: m 8 s = 2.0 9 m = 4 10 res = SUM([(s**(REAL(k-1)/REAL(m-1)),k=1,m)]) 11 if (abs(res - 5.84732246) > 1e-6) call abort 12 end 13