rustc_hang.rs

fn main() {
  let mut orig = @1;
  let mut borrow = &*orig;
  io::println(fmt!("before mutate, orig: %? borrow: %?", orig, borrow));
  orig = @2;
  borrow = &3; // rustc gives error here, but hangs and takes 100% cpu and eventually takes 100% of memory
               // error: illegal borrow: borrowed value does not live long enough
  io::println(fmt!("after mutate,  orig: %? borrow: %?", orig, borrow));
}

$ rustc --version
rustc 0.6 (09bb07b 2012-12-24 18:29:02 -0800)
host: x86_64-apple-darwin