gcc/testsuite/gfortran.dg/interface_27.f90

   1 ! { dg-do compile }
   2 !
   3 ! PR 40039: Procedures as actual arguments: Check intent of arguments
   4 !
   5 ! Contributed by Janus Weil <janus@gcc.gnu.org>
   6
   7 module m
   8
   9 contains
  10
  11 subroutine a(x,f)
  12   real :: x
  13   interface
  14     real function f(y)
  15       real,intent(in) :: y
  16     end function
  17   end interface
  18   print *,f(x)
  19 end subroutine
  20
  21 real function func(z)
  22   real,intent(inout) :: z
  23   func = z**2
  24 end function
  25
  26 subroutine caller
  27   interface
  28     real function p(y)
  29       real,intent(in) :: y
  30     end function
  31   end interface
  32   pointer :: p
  33
  34   call a(4.3,func)  ! { dg-error "INTENT mismatch in argument" }
  35   p => func         ! { dg-error "INTENT mismatch in argument" }
  36 end subroutine
  37
  38 end module