mirror of https://github.com/rust-lang/rust
18 lines
436 B
Rust
18 lines
436 B
Rust
//@ run-pass
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#![allow(unreachable_code)]
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// Regression test for #39808. The type parameter of `Owned` was
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// considered to be "unconstrained" because the type resulting from
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// `format!` (`String`) was not being propagated upward, owing to the
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// fact that the expression diverges.
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use std::borrow::Cow;
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fn main() {
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let _ = if false {
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Cow::Owned(format!("{:?}", panic!()))
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} else {
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Cow::Borrowed("")
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};
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}
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