| // Copyright 2012 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. |
| |
| // ignore-bitrig |
| // compile-flags: -C codegen-units=3 |
| // ignore-emscripten no threads support |
| |
| // Test unwinding through multiple compilation units. |
| |
| // According to acrichto, in the distant past `ld -r` (which is used during |
| // linking when codegen-units > 1) was known to produce object files with |
| // damaged unwinding tables. This may be related to GNU binutils bug #6893 |
| // ("Partial linking results in corrupt .eh_frame_hdr"), but I'm not certain. |
| // In any case, this test should let us know if enabling parallel codegen ever |
| // breaks unwinding. |
| |
| |
| use std::thread; |
| |
| fn pad() -> usize { 0 } |
| |
| mod a { |
| pub fn f() { |
| panic!(); |
| } |
| } |
| |
| mod b { |
| pub fn g() { |
| ::a::f(); |
| } |
| } |
| |
| fn main() { |
| thread::spawn(move|| { ::b::g() }).join().unwrap_err(); |
| } |
