bfbc7bc45d
This fixes a few soundness bugs in dropck, so to anyone who relied on them, this is a [breaking-change] Fixes #24086. Fixes #25389. Fixes #25598. Fixes #25750. Fixes #26641. Fixes #26657. Fixes #27240. Fixes #27241.
34 lines
937 B
Rust
34 lines
937 B
Rust
// Copyright 2015 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.
|
|
|
|
use std::fmt;
|
|
struct NoisyDrop<T: fmt::Debug>(T);
|
|
impl<T: fmt::Debug> Drop for NoisyDrop<T> {
|
|
fn drop(&mut self) {}
|
|
}
|
|
|
|
struct Bar<T: fmt::Debug>([*const NoisyDrop<T>; 2]);
|
|
|
|
fn fine() {
|
|
let (u,b);
|
|
u = vec![43];
|
|
b = Bar([&NoisyDrop(&u), &NoisyDrop(&u)]);
|
|
}
|
|
|
|
struct Bar2<T: fmt::Debug>(*const NoisyDrop<T>, *const NoisyDrop<T>);
|
|
|
|
fn lolwut() {
|
|
let (u,v);
|
|
u = vec![43];
|
|
v = Bar2(&NoisyDrop(&u), &NoisyDrop(&u));
|
|
}
|
|
|
|
fn main() { fine(); lolwut() }
|