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[rustc.git] / src / test / codegen / extern-functions.rs
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1a4d82fc 1// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
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.
10
e9174d1e 11// compile-flags: -C no-prepopulate-passes
85aaf69f 12
b039eaaf 13#![crate_type = "lib"]
e9174d1e 14#![feature(unwind_attributes)]
223e47cc 15
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16extern {
17// CHECK: Function Attrs: nounwind
18// CHECK-NEXT: declare void @extern_fn
19 fn extern_fn();
20// CHECK-NOT: Function Attrs: nounwind
21// CHECK: declare void @unwinding_extern_fn
22 #[unwind]
23 fn unwinding_extern_fn();
62682a34 24}
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25
26pub unsafe fn force_declare() {
27 extern_fn();
28 unwinding_extern_fn();
29}