gcc/testsuite/gfortran.dg/array_constructor_44.f90

   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) STOP 1
  12   end