projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 3b2f2976 XL |
1 | // Copyright 2017 The Rust Project Developers. See the COPYRIGHT |
| 2 | // file at the top-level directory of this distribution and at | |
| 3 | // http://rust-lang.org/COPYRIGHT. | |
| 4 | // | |
| 5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
| 6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
| 7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
| 8 | // option. This file may not be copied, modified, or distributed | |
| 9 | // except according to those terms. | |
| 10 | ||
| 11 | #![feature(box_syntax)] | |
| 12 | ||
| 13 | fn main() { | |
| 14 | let x = box S::new(); | |
| 15 | drop(x); | |
| 16 | } | |
| 17 | ||
| 18 | struct S; | |
| 19 | ||
| 20 | impl S { | |
| 21 | fn new() -> Self { S } | |
| 22 | } | |
| 23 | ||
| 24 | impl Drop for S { | |
| 25 | fn drop(&mut self) { | |
| 26 | println!("splat!"); | |
| 27 | } | |
| 28 | } | |
| 29 | ||
| 30 | // END RUST SOURCE | |
| abe05a73 | 31 | // START rustc.main.ElaborateDrops.before.mir |
| 3b2f2976 | 32 | // let mut _0: (); |
| abe05a73 XL |
33 | // scope 1 { |
| 34 | // let _1: std::boxed::Box<S>; | |
| 35 | // } | |
| 36 | // ... | |
| 3b2f2976 XL |
37 | // let mut _2: std::boxed::Box<S>; |
| 38 | // let mut _3: (); | |
| 39 | // let mut _4: std::boxed::Box<S>; | |
| 40 | // | |
| 41 | // bb0: { | |
| 42 | // StorageLive(_1); | |
| 43 | // StorageLive(_2); | |
| 44 | // _2 = Box(S); | |
| 45 | // (*_2) = const S::new() -> [return: bb1, unwind: bb3]; | |
| 46 | // } | |
| 47 | // | |
| 48 | // bb1: { | |
| 49 | // _1 = _2; | |
| 50 | // drop(_2) -> bb4; | |
| 51 | // } | |
| 52 | // | |
| 53 | // bb2: { | |
| 54 | // resume; | |
| 55 | // } | |
| 56 | // | |
| 57 | // bb3: { | |
| 58 | // drop(_2) -> bb2; | |
| 59 | // } | |
| 60 | // | |
| 61 | // bb4: { | |
| 62 | // StorageDead(_2); | |
| 63 | // StorageLive(_4); | |
| 64 | // _4 = _1; | |
| 65 | // _3 = const std::mem::drop(_4) -> [return: bb5, unwind: bb7]; | |
| 66 | // } | |
| 67 | // | |
| 68 | // bb5: { | |
| 69 | // drop(_4) -> [return: bb8, unwind: bb6]; | |
| 70 | // } | |
| 71 | // | |
| 72 | // bb6: { | |
| 73 | // drop(_1) -> bb2; | |
| 74 | // } | |
| 75 | // | |
| 76 | // bb7: { | |
| 77 | // drop(_4) -> bb6; | |
| 78 | // } | |
| 79 | // | |
| 80 | // bb8: { | |
| 81 | // StorageDead(_4); | |
| 82 | // _0 = (); | |
| 83 | // drop(_1) -> bb9; | |
| 84 | // } | |
| 85 | // | |
| 86 | // bb9: { | |
| 87 | // StorageDead(_1); | |
| 88 | // return; | |
| 89 | // } | |
| 90 | // } | |
| abe05a73 | 91 | // END rustc.main.ElaborateDrops.before.mir |