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! { dg-do compile }
module c_assoc_2
  use, intrinsic :: iso_c_binding, only: c_ptr, c_associated

contains
  subroutine sub0(my_c_ptr) bind(c)
    type(c_ptr), value :: my_c_ptr
    type(c_ptr), pointer :: my_c_ptr_2
    integer :: my_integer
    
    if(.not. c_associated(my_c_ptr)) then
       call abort()
    end if
    
    if(.not. c_associated(my_c_ptr, my_c_ptr)) then
       call abort()
    end if

    if(.not. c_associated(my_c_ptr, my_c_ptr, my_c_ptr)) then ! { dg-error "More actual than formal arguments" }
       call abort()
    end if

    if(.not. c_associated()) then ! { dg-error "Missing argument" }
       call abort()
    end if ! { dg-error "Expecting END SUBROUTINE" }

    if(.not. c_associated(my_c_ptr_2)) then
       call abort()
    end if

    if(.not. c_associated(my_integer)) then ! { dg-error "Type mismatch" }
       call abort()
    end if
  end subroutine sub0

end module c_assoc_2