1 // Copyright 2012 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.
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.
11 // compile-flags: -C codegen-units=3
13 // Test unwinding through multiple compilation units.
15 // According to acrichto, in the distant past `ld -r` (which is used during
16 // linking when codegen-units > 1) was known to produce object files with
17 // damaged unwinding tables. This may be related to GNU binutils bug #6893
18 // ("Partial linking results in corrupt .eh_frame_hdr"), but I'm not certain.
19 // In any case, this test should let us know if enabling parallel codegen ever
22 use std::thread::Thread;
24 fn pad() -> uint { 0 }
39 Thread::spawn(move|| { ::b::g() }).join().unwrap_err();