// Copyright 2017 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // compile-flags: -Z identify_regions -Z span_free_formats -Z emit-end-regions // ignore-tidy-linelength // Unwinding should EndRegion for in-scope borrows: Borrow of moved data. fn main() { let d = D(0); foo(move || -> i32 { let r = &d; r.0 }); } struct D(i32); impl Drop for D { fn drop(&mut self) { println!("dropping D({})", self.0); } } fn foo(f: F) where F: FnOnce() -> i32 { if f() > 0 { panic!("im positive"); } } // END RUST SOURCE // START rustc.main.SimplifyCfg-qualify-consts.after.mir // fn main() -> () { // let mut _0: (); // ... // let _1: D; // ... // let mut _2: (); // let mut _3: [closure@NodeId(22) d:D]; // bb0: { // StorageLive(_1); // _1 = D::{{constructor}}(const 0i32,); // StorageLive(_3); // _3 = [closure@NodeId(22)] { d: move _1 }; // _2 = const foo(move _3) -> [return: bb2, unwind: bb4]; // } // bb1: { // resume; // } // bb2: { // drop(_3) -> [return: bb5, unwind: bb3]; // } // bb3: { // drop(_1) -> bb1; // } // bb4: { // drop(_3) -> bb3; // } // bb5: { // StorageDead(_3); // _0 = (); // drop(_1) -> [return: bb6, unwind: bb1]; // } // bb6: { // StorageDead(_1); // return; // } // } // END rustc.main.SimplifyCfg-qualify-consts.after.mir // START rustc.main-{{closure}}.SimplifyCfg-qualify-consts.after.mir // fn main::{{closure}}(_1: [closure@NodeId(22) d:D]) -> i32 { // let mut _0: i32; // ... // let _2: &'16_0rs D; // ... // bb0: { // StorageLive(_2); // _2 = &'16_0rs (_1.0: D); // _0 = ((*_2).0: i32); // EndRegion('16_0rs); // StorageDead(_2); // drop(_1) -> [return: bb2, unwind: bb1]; // } // bb1: { // resume; // } // bb2: { // return; // } // } // END rustc.main-{{closure}}.SimplifyCfg-qualify-consts.after.mir