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