44 lines
1.2 KiB
Rust
44 lines
1.2 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-bitrig
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// compile-flags: -C codegen-units=3
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// ignore-emscripten no threads support
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// Test unwinding through multiple compilation units.
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// According to acrichto, in the distant past `ld -r` (which is used during
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// linking when codegen-units > 1) was known to produce object files with
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// damaged unwinding tables. This may be related to GNU binutils bug #6893
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// ("Partial linking results in corrupt .eh_frame_hdr"), but I'm not certain.
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// In any case, this test should let us know if enabling parallel codegen ever
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// breaks unwinding.
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use std::thread;
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fn pad() -> usize { 0 }
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mod a {
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pub fn f() {
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panic!();
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}
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}
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mod b {
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pub fn g() {
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::a::f();
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}
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}
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fn main() {
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thread::spawn(move|| { ::b::g() }).join().err().unwrap();
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}
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