interface_21.f90

来自「用于进行gcc测试」· F90 代码 · 共 23 行

! { dg-do compile }
! PR33162 INTRINSIC functions as ACTUAL argument
! Test case adapted from PR by Jerry DeLisle <[e-mail]>
module m
implicit none
contains
  subroutine sub(a)
    interface
      function a(x)
        real :: a, x
        intent(in) :: x
      end function a
    end interface
    print *, a(4.0)
  end subroutine sub
end module m

use m
implicit none
EXTERNAL foo  ! implicit interface is undefined
call sub(foo) ! { dg-error "Type/rank mismatch in argument" }
end