a47fd3df89
You can now choose between the following: - `#[unwind(allowed)]` - `#[unwind(aborts)]` Per rust-lang/rust#48251, the default is `#[unwind(allowed)]`, though I think we should change this eventually.
29 lines
886 B
Rust
29 lines
886 B
Rust
// Copyright 2015 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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// compile-flags: -C no-prepopulate-passes
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#![crate_type = "lib"]
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#![feature(unwind_attributes)]
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extern {
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// CHECK: Function Attrs: nounwind
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// CHECK-NEXT: declare void @extern_fn
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fn extern_fn();
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// CHECK-NOT: Function Attrs: nounwind
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// CHECK: declare void @unwinding_extern_fn
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#[unwind(allowed)]
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fn unwinding_extern_fn();
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}
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pub unsafe fn force_declare() {
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extern_fn();
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unwinding_extern_fn();
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}
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