// Copyright 2012 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. #![crate_name="foo"] use std::mem::size_of; // compile-flags: -Z fuel=foo=1 struct S1(u8, u16, u8); struct S2(u8, u16, u8); fn main() { let optimized = (size_of::() == 4) as usize +(size_of::() == 4) as usize; assert_eq!(optimized, 1); }