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// 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);
}
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