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
|
- // MIR for `main` before Derefer
+ // MIR for `main` after Derefer
fn main() -> () {
let mut _0: ();
let _1: std::boxed::Box<std::boxed::Box<u32>>;
let mut _2: std::boxed::Box<u32>;
bb0: {
StorageLive(_1);
StorageLive(_2);
_2 = f() -> [return: bb1, unwind: bb5];
}
bb1: {
_1 = Box::<Box<u32>>::new(move _2) -> [return: bb2, unwind: bb4];
}
bb2: {
StorageDead(_2);
drop(_1) -> [return: bb3, unwind: bb5];
}
bb3: {
StorageDead(_1);
_0 = const ();
return;
}
bb4 (cleanup): {
drop(_2) -> [return: bb5, unwind terminate(cleanup)];
}
bb5 (cleanup): {
resume;
}
}
|
