// 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. #![feature(const_fn)] fn f(x: usize) -> usize { x } fn main() { let _ = [0; f(2)]; //~ ERROR constant evaluation error [E0080] //~| non-constant path in constant expression }