gcc/testsuite/gfortran.dg/intent_optimize_1.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O2 -fdump-tree-optimized" }
   3 !
   4 ! Check whether the "does_not_exist" subroutine has been
   5 ! optimized away, i.e. check that "foo"'s intent(IN) gets
   6 ! honoured.
   7 !
   8 ! PR fortran/43665
   9 !
  10 interface
  11   subroutine foo(x)
  12     integer, intent(in) :: x
  13   end subroutine foo
  14 end interface
  15
  16 integer :: y
  17
  18 y = 5
  19 call foo(y)
  20 if (y /= 5) call does_not_exist ()
  21 end
  22
  23 ! { dg-final { scan-tree-dump-times "does_not_exist" 0 "optimized" } }