gcc/testsuite/gfortran.dg/array_constructor_47.f90

   1 ! { dg-do run }
   2 ! { dg-options "-ffrontend-optimize -fdump-tree-original" }
   3 ! Test that reduction optimization doesn't break with a function expression
   4 ! in an array constructor.
   5 program main
   6   implicit none
   7   integer, parameter :: dp=selected_real_kind(15)
   8   real(kind=dp), dimension(2,2) :: a
   9   real(kind=dp) thirteen
  10
  11   data a /2._dp,3._dp,5._dp,7._dp/
  12   thirteen = 13._dp
  13   if (abs (product([[sum([eleven_ones()]), thirteen], a]) - 30030._dp) > 1e-8) call abort
  14  contains
  15   function eleven_ones()
  16     real(kind=dp) :: eleven_ones(11)
  17     integer       :: i
  18
  19     eleven_ones = [ (1._dp, i=1,11) ]
  20   end function eleven_ones
  21 end program main
  22 ! { dg-final { scan-tree-dump-times "while" 4 "original" } }
  23