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
39
40
41
42
43
44
45
46
47
48
49
50
|
- // MIR for `main` before Derefer
+ // MIR for `main` after Derefer
fn main() -> () {
let mut _0: ();
let mut _1: (i32, i32);
let mut _3: &mut (i32, i32);
+ let mut _6: &mut (i32, i32);
+ let mut _7: &mut (i32, i32);
scope 1 {
debug a => _1;
let mut _2: (i32, &mut (i32, i32));
scope 2 {
debug b => _2;
let _4: &mut i32;
scope 3 {
debug x => _4;
let _5: &mut i32;
scope 4 {
debug y => _5;
}
}
}
}
bb0: {
StorageLive(_1);
_1 = (const 42_i32, const 43_i32);
StorageLive(_2);
StorageLive(_3);
_3 = &mut _1;
_2 = (const 99_i32, move _3);
StorageDead(_3);
StorageLive(_4);
- _4 = &mut ((*(_2.1: &mut (i32, i32))).0: i32);
+ _6 = deref_copy (_2.1: &mut (i32, i32));
+ _4 = &mut ((*_6).0: i32);
StorageLive(_5);
- _5 = &mut ((*(_2.1: &mut (i32, i32))).1: i32);
+ _7 = deref_copy (_2.1: &mut (i32, i32));
+ _5 = &mut ((*_7).1: i32);
_0 = const ();
StorageDead(_5);
StorageDead(_4);
StorageDead(_2);
StorageDead(_1);
return;
}
}
|
