src/test/run-fail/mir_drop_panics.rs

   1 // Copyright 2016 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 #![feature(rustc_attrs)]
  11
  12 // error-pattern:panic 1
  13 // error-pattern:drop 2
  14 use std::io::{self, Write};
  15
  16 struct Droppable(u32);
  17 impl Drop for Droppable {
  18     fn drop(&mut self) {
  19         if self.0 == 1 {
  20             panic!("panic 1");
  21         } else {
  22             write!(io::stderr(), "drop {}", self.0);
  23         }
  24     }
  25 }
  26
  27 #[rustc_mir]
  28 fn mir() {
  29     let x = Droppable(2);
  30     let y = Droppable(1);
  31 }
  32
  33 fn main() {
  34     mir();
  35 }