blob: 31456853e1c0f1543207f7c0776e36861700fe91 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Tests that are conservative around thin/fat pointer mismatches.
#![allow(dead_code)]
use std::mem::transmute;
fn a<T, U: ?Sized>(x: &[T]) -> &U {
unsafe { transmute(x) } //~ ERROR transmute called on types with potentially different sizes
}
fn b<T: ?Sized, U: ?Sized>(x: &T) -> &U {
unsafe { transmute(x) } //~ ERROR transmute called on types with potentially different sizes
}
fn c<T, U>(x: &T) -> &U {
unsafe { transmute(x) }
}
fn d<T, U>(x: &[T]) -> &[U] {
unsafe { transmute(x) }
}
fn e<T: ?Sized, U>(x: &T) -> &U {
unsafe { transmute(x) } //~ ERROR transmute called on types with potentially different sizes
}
fn f<T, U: ?Sized>(x: &T) -> &U {
unsafe { transmute(x) } //~ ERROR transmute called on types with potentially different sizes
}
fn main() { }
|