42 lines
1.2 KiB
Rust
42 lines
1.2 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Tests that are conservative around thin/fat pointer mismatches.
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#![allow(dead_code)]
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use std::mem::transmute;
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fn a<T, U: ?Sized>(x: &[T]) -> &U {
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unsafe { transmute(x) } //~ ERROR transmute called with types of different sizes
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}
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fn b<T: ?Sized, U: ?Sized>(x: &T) -> &U {
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unsafe { transmute(x) } //~ ERROR transmute called with types of different sizes
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}
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fn c<T, U>(x: &T) -> &U {
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unsafe { transmute(x) }
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}
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fn d<T, U>(x: &[T]) -> &[U] {
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unsafe { transmute(x) }
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}
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fn e<T: ?Sized, U>(x: &T) -> &U {
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unsafe { transmute(x) } //~ ERROR transmute called with types of different sizes
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}
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fn f<T, U: ?Sized>(x: &T) -> &U {
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unsafe { transmute(x) } //~ ERROR transmute called with types of different sizes
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}
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fn main() { }
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