summaryrefslogtreecommitdiffstats
path: root/tests/ui/issues/issue-11709.rs
blob: 58424f9e4c58373213542ef451b6985f211a28e0 (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
// 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);
}