File: issue-11709.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (37 lines) | stat: -rw-r--r-- 808 bytes parent folder | download | duplicates (10)
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
//@ run-pass
#![allow(dead_code)]

// Don't panic on blocks without results
// There are several tests in this run-pass that raised
// when this bug was opened. The cases where the compiler
// panics before the fix have a comment.

struct S {x:()}

fn test(slot: &mut Option<Box<dyn FnMut() -> Box<dyn FnMut()>>>) -> () {
  let a = slot.take();
  let _a: () = match a {
    // `{let .. a(); }` would break
    Some(mut a) => { let _a = a(); },
    None => (),
  };
}

fn not(b: bool) -> bool {
    if b {
        !b
    } else {
        // `panic!(...)` would break
        panic!("Break the compiler");
    }
}

pub fn main() {
    // {} would break
    let _r: () = {};
    let mut slot = None;
    // `{ test(...); }` would break
    let _s : S  = S{ x: { test(&mut slot); } };

    let _b = not(true);
}