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14 lines
384 B
Rust
14 lines
384 B
Rust
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// check-pass
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// compile-flags: -Ztrait-solver=next
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use std::fmt::Display;
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fn box_dyn_display(_: Box<dyn Display>) {}
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fn main() {
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// During coercion, we don't necessarily know whether `{integer}` implements
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// `Display`. Before, that would cause us to bail out in the coercion loop when
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// checking `{integer}: Unsize<dyn Display>`.
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box_dyn_display(Box::new(1));
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}
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