// 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. // Tests that `transmute` cannot be called on types of different size. #![allow(warnings)] #![feature(specialization)] use std::mem::transmute; unsafe fn f() { let _: i8 = transmute(16i16); //~^ ERROR transmute called with differently sized types } unsafe fn g(x: &T) { let _: i8 = transmute(x); //~^ ERROR transmute called with differently sized types } trait Specializable { type Output; } impl Specializable for T { default type Output = u16; } unsafe fn specializable(x: u16) -> ::Output { transmute(x) //~^ ERROR transmute called with differently sized types } fn main() {}