// 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. extern crate libc; fn main() { let ptr: *mut () = 0 as *mut _; let _: &mut Fn() = unsafe { &mut *(ptr as *mut Fn()) //~^ ERROR `(): std::ops::Fn<()>` is not satisfied //~| ERROR `(): std::ops::FnOnce<()>` is not satisfied }; }