// Copyright 2017 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. // ignore-x86 // ignore-arm // ignore-emscripten // ignore 32-bit platforms (test output is different) #![feature(untagged_unions)] use std::mem::transmute; pub trait TypeConstructor<'a> { type T; } unsafe fn transmute_lifetime<'a, 'b, C>(x: >::T) -> >::T where for<'z> C: TypeConstructor<'z> { transmute(x) //~ ERROR transmute called with types of different sizes } unsafe fn sizes() { let x: u8 = transmute(10u16); //~ ERROR transmute called with types of different sizes } unsafe fn ptrs() { let x: u8 = transmute("test"); //~ ERROR transmute called with types of different sizes } union Foo { x: () } unsafe fn vary() { let x: Foo = transmute(10); //~ ERROR transmute called with types of different sizes } fn main() {}