// Copyright 2015 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![allow(dead_code)] use std::panic::UnwindSafe; use std::rc::Rc; use std::cell::RefCell; fn assert() {} fn main() { assert::>>(); //~^ ERROR the type `std::cell::UnsafeCell` may contain interior mutability and a //~| ERROR the type `std::cell::UnsafeCell` may contain interior mutability and a }