1 // MIR for `test` before ElaborateDrops
3 fn test() -> Option<Box<u32>> {
4 let mut _0: std::option::Option<std::boxed::Box<u32>>; // return place in scope 0 at $DIR/issue-62289.rs:8:14: 8:30
5 let mut _1: std::boxed::Box<u32>; // in scope 0 at $DIR/issue-62289.rs:9:10: 9:21
6 let mut _2: std::boxed::Box<u32>; // in scope 0 at $DIR/issue-62289.rs:9:10: 9:21
7 let mut _3: std::result::Result<u32, std::option::NoneError>; // in scope 0 at $DIR/issue-62289.rs:9:15: 9:20
8 let mut _4: std::option::Option<u32>; // in scope 0 at $DIR/issue-62289.rs:9:15: 9:19
9 let mut _5: isize; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20
10 let _6: std::option::NoneError; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20
11 let mut _7: !; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20
12 let mut _8: std::option::NoneError; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20
13 let mut _9: std::option::NoneError; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20
14 let _10: u32; // in scope 0 at $DIR/issue-62289.rs:9:15: 9:20
16 debug err => _6; // in scope 1 at $DIR/issue-62289.rs:9:19: 9:20
21 debug val => _10; // in scope 3 at $DIR/issue-62289.rs:9:15: 9:20
27 StorageLive(_1); // scope 0 at $DIR/issue-62289.rs:9:10: 9:21
28 StorageLive(_2); // scope 0 at $DIR/issue-62289.rs:9:10: 9:21
29 _2 = Box(u32); // scope 0 at $DIR/issue-62289.rs:9:10: 9:21
30 StorageLive(_3); // scope 0 at $DIR/issue-62289.rs:9:15: 9:20
31 StorageLive(_4); // scope 0 at $DIR/issue-62289.rs:9:15: 9:19
32 _4 = Option::<u32>::None; // scope 0 at $DIR/issue-62289.rs:9:15: 9:19
33 _3 = <Option<u32> as Try>::into_result(move _4) -> [return: bb1, unwind: bb10]; // scope 0 at $DIR/issue-62289.rs:9:15: 9:20
35 // + span: $DIR/issue-62289.rs:9:15: 9:20
36 // + literal: Const { ty: fn(std::option::Option<u32>) -> std::result::Result<<std::option::Option<u32> as std::ops::Try>::Ok, <std::option::Option<u32> as std::ops::Try>::Error> {<std::option::Option<u32> as std::ops::Try>::into_result}, val: Value(Scalar(<ZST>)) }
40 StorageDead(_4); // scope 0 at $DIR/issue-62289.rs:9:19: 9:20
41 _5 = discriminant(_3); // scope 0 at $DIR/issue-62289.rs:9:19: 9:20
42 switchInt(move _5) -> [0_isize: bb2, 1_isize: bb4, otherwise: bb3]; // scope 0 at $DIR/issue-62289.rs:9:19: 9:20
46 StorageLive(_10); // scope 0 at $DIR/issue-62289.rs:9:15: 9:20
47 _10 = ((_3 as Ok).0: u32); // scope 0 at $DIR/issue-62289.rs:9:15: 9:20
48 (*_2) = _10; // scope 4 at $DIR/issue-62289.rs:9:15: 9:20
49 StorageDead(_10); // scope 0 at $DIR/issue-62289.rs:9:19: 9:20
50 _1 = move _2; // scope 0 at $DIR/issue-62289.rs:9:10: 9:21
51 StorageDead(_2); // scope 0 at $DIR/issue-62289.rs:9:20: 9:21
52 _0 = Option::<Box<u32>>::Some(move _1); // scope 0 at $DIR/issue-62289.rs:9:5: 9:22
53 StorageDead(_1); // scope 0 at $DIR/issue-62289.rs:9:21: 9:22
54 StorageDead(_3); // scope 0 at $DIR/issue-62289.rs:10:1: 10:2
55 goto -> bb8; // scope 0 at $DIR/issue-62289.rs:10:2: 10:2
59 unreachable; // scope 0 at $DIR/issue-62289.rs:9:15: 9:20
63 StorageLive(_6); // scope 0 at $DIR/issue-62289.rs:9:19: 9:20
64 _6 = ((_3 as Err).0: std::option::NoneError); // scope 0 at $DIR/issue-62289.rs:9:19: 9:20
65 StorageLive(_8); // scope 2 at $DIR/issue-62289.rs:9:19: 9:20
66 StorageLive(_9); // scope 2 at $DIR/issue-62289.rs:9:19: 9:20
67 _9 = _6; // scope 2 at $DIR/issue-62289.rs:9:19: 9:20
68 _8 = <NoneError as From<NoneError>>::from(move _9) -> [return: bb5, unwind: bb10]; // scope 2 at $DIR/issue-62289.rs:9:19: 9:20
70 // + span: $DIR/issue-62289.rs:9:19: 9:20
71 // + literal: Const { ty: fn(std::option::NoneError) -> std::option::NoneError {<std::option::NoneError as std::convert::From<std::option::NoneError>>::from}, val: Value(Scalar(<ZST>)) }
75 StorageDead(_9); // scope 2 at $DIR/issue-62289.rs:9:19: 9:20
76 _0 = <Option<Box<u32>> as Try>::from_error(move _8) -> [return: bb6, unwind: bb10]; // scope 2 at $DIR/issue-62289.rs:9:15: 9:20
78 // + span: $DIR/issue-62289.rs:9:15: 9:20
79 // + literal: Const { ty: fn(<std::option::Option<std::boxed::Box<u32>> as std::ops::Try>::Error) -> std::option::Option<std::boxed::Box<u32>> {<std::option::Option<std::boxed::Box<u32>> as std::ops::Try>::from_error}, val: Value(Scalar(<ZST>)) }
83 StorageDead(_8); // scope 2 at $DIR/issue-62289.rs:9:19: 9:20
84 StorageDead(_6); // scope 0 at $DIR/issue-62289.rs:9:19: 9:20
85 drop(_2) -> [return: bb7, unwind: bb9]; // scope 0 at $DIR/issue-62289.rs:9:20: 9:21
89 StorageDead(_2); // scope 0 at $DIR/issue-62289.rs:9:20: 9:21
90 StorageDead(_1); // scope 0 at $DIR/issue-62289.rs:9:21: 9:22
91 StorageDead(_3); // scope 0 at $DIR/issue-62289.rs:10:1: 10:2
92 goto -> bb8; // scope 0 at $DIR/issue-62289.rs:10:2: 10:2
96 return; // scope 0 at $DIR/issue-62289.rs:10:2: 10:2
100 drop(_0) -> bb11; // scope 0 at $DIR/issue-62289.rs:10:1: 10:2
104 drop(_2) -> bb11; // scope 0 at $DIR/issue-62289.rs:9:20: 9:21
108 resume; // scope 0 at $DIR/issue-62289.rs:8:1: 10:2