// 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.// compile-flags: -C codegen-units=3// 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.fnpad()->uint{0}moda{pubfnf(){fail!();}}modb{pubfng(){::a::f();}}fnmain(){std::task::try(proc(){::b::g()}).unwrap_err();}