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// Copyright 2014 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. | ||
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// Regression test for a weird corner case in our dep-graph reduction | ||
// code. When we solve `CoerceUnsized<Foo>`, we find no impls, so we | ||
// don't end up with an edge to any HIR nodes, but it still gets | ||
// preserved in the dep graph. | ||
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// revisions:rpass1 rpass2 | ||
// compile-flags: -Z query-dep-graph | ||
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use std::sync::Arc; | ||
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#[cfg(rpass1)] | ||
struct Foo { x: usize } | ||
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#[cfg(rpass1)] | ||
fn main() { | ||
let x: Arc<Foo> = Arc::new(Foo { x: 22 }); | ||
let y: Arc<Foo> = x; | ||
} | ||
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#[cfg(rpass2)] | ||
struct FooX { x: usize } | ||
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#[cfg(rpass2)] | ||
fn main() { | ||
let x: Arc<FooX> = Arc::new(Foo { x: 22 }); | ||
let y: Arc<FooX> = x; | ||
} | ||
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