| // 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| // |
| // no-system-llvm |
| // compile-flags: -O |
| |
| #![crate_type="lib"] |
| |
| struct A; |
| |
| impl Drop for A { |
| fn drop(&mut self) { |
| extern { fn foo(); } |
| unsafe { foo(); } |
| } |
| } |
| |
| #[no_mangle] |
| pub fn a(a: Box<i32>) { |
| // CHECK-LABEL: define void @a |
| // CHECK: call void @__rust_dealloc |
| // CHECK-NEXT: call void @foo |
| let _a = A; |
| drop(a); |
| } |
