17 lines
529 B
Rust
17 lines
529 B
Rust
// used to ICE, see <https://github.com/rust-lang/rust/issues/130627>
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// Instead it should just ignore the diagnostic attribute
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#![feature(trait_alias)]
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trait Test {}
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#[diagnostic::on_unimplemented(message = "blah", label = "blah", note = "blah")]
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//~^ WARN `#[diagnostic::on_unimplemented]` can only be applied to trait definitions
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trait Alias = Test;
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// Use trait alias as bound on type parameter.
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fn foo<T: Alias>(v: &T) {}
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pub fn main() {
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foo(&1);
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//~^ ERROR the trait bound `{integer}: Alias` is not satisfied
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}
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