mirror of https://github.com/rust-lang/rust
26 lines
493 B
Rust
26 lines
493 B
Rust
//@ run-pass
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// Check that unsizing doesn't reorder fields.
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#![allow(dead_code)]
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use std::fmt::Debug;
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#[derive(Debug)]
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struct GcNode<T: ?Sized> {
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gets_swapped_with_next: usize,
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next: Option<&'static GcNode<dyn Debug>>,
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tail: T,
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}
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fn main() {
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let node: Box<GcNode<dyn Debug>> = Box::new(GcNode {
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gets_swapped_with_next: 42,
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next: None,
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tail: Box::new(1),
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});
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assert_eq!(node.gets_swapped_with_next, 42);
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assert!(node.next.is_none());
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}
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