--- /dev/null
+// Copyright 2016 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.
+#![feature(rustc_attrs)]
+// error-pattern:drop 1
+// error-pattern:drop 2
+use std::io::{self, Write};
+
+
+/// Structure which will not allow to be dropped twice.
+struct Droppable(bool, u32);
+impl Drop for Droppable {
+ fn drop(&mut self) {
+ if self.0 {
+ writeln!(io::stderr(), "{} dropped twice", self.1);
+ ::std::process::exit(1);
+ }
+ writeln!(io::stderr(), "drop {}", self.1);
+ self.0 = true;
+ }
+}
+
+#[rustc_mir]
+fn mir(){
+ let x = Droppable(false, 1);
+ let y = Droppable(false, 2);
+ let mut z = x;
+ let k = y;
+ z = k;
+}
+
+fn main() {
+ mir();
+ panic!();
+}
--- /dev/null
+// Copyright 2016 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.
+#![feature(rustc_attrs)]
+// error-pattern:drop 1
+use std::io::{self, Write};
+
+
+/// Structure which will not allow to be dropped twice.
+struct Droppable(bool, u32);
+impl Drop for Droppable {
+ fn drop(&mut self) {
+ if self.0 {
+ writeln!(io::stderr(), "{} dropped twice", self.1);
+ ::std::process::exit(1);
+ }
+ writeln!(io::stderr(), "drop {}", self.1);
+ self.0 = true;
+ }
+}
+
+#[rustc_mir]
+fn mir(d: Droppable){
+ loop {
+ let x = d;
+ break;
+ }
+}
+
+fn main() {
+ mir(Droppable(false, 1));
+ panic!();
+}
--- /dev/null
+// Copyright 2016 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.
+#![feature(rustc_attrs)]
+// error-pattern:unwind happens
+// error-pattern:drop 3
+// error-pattern:drop 2
+// error-pattern:drop 1
+use std::io::{self, Write};
+
+
+/// Structure which will not allow to be dropped twice.
+struct Droppable(bool, u32);
+impl Drop for Droppable {
+ fn drop(&mut self) {
+ if self.0 {
+ writeln!(io::stderr(), "{} dropped twice", self.1);
+ ::std::process::exit(1);
+ }
+ writeln!(io::stderr(), "drop {}", self.1);
+ self.0 = true;
+ }
+}
+
+fn may_panic() -> Droppable {
+ panic!("unwind happens");
+}
+
+#[rustc_mir]
+fn mir(d: Droppable){
+ let y = Droppable(false, 2);
+ let x = [Droppable(false, 1), y, d, may_panic()];
+}
+
+fn main() {
+ mir(Droppable(false, 3));
+}