19 lines
428 B
Rust
19 lines
428 B
Rust
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//@ revisions: current next
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//@ ignore-compare-mode-next-solver (explicit revisions)
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//@[next] compile-flags: -Znext-solver
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// Make sure that having an applicable user-written
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// and builtin impl is ambiguous.
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trait Equals<T: ?Sized> {}
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impl<T: ?Sized> Equals<T> for T {}
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fn impls_equals<T: Equals<U> + ?Sized, U: ?Sized>() {}
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fn main() {
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impls_equals::<dyn Equals<u32>, _>();
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//~^ ERROR type annotations needed
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}
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