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After reviewing all tests with `?Sized` and discussing with lcnr, these tests seem like they could probably benefit from `#![rustc_no_implicit_bounds]`.
32 lines
699 B
Rust
32 lines
699 B
Rust
//@ check-pass
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//@ revisions: ai ia ii
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// Regression test for nalgebra hang <https://github.com/rust-lang/rust/issues/130056>.
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#![feature(lazy_type_alias)]
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#![feature(rustc_attrs)]
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#![rustc_no_implicit_bounds]
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#![allow(incomplete_features)]
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type Id<T> = T;
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trait NotImplemented {}
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struct W<T, U>(*const T, *const U);
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trait Trait {
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type Assoc;
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}
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impl<T: Trait> Trait for W<T, T> {
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#[cfg(ai)]
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type Assoc = W<T::Assoc, Id<T::Assoc>>;
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#[cfg(ia)]
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type Assoc = W<Id<T::Assoc>, T::Assoc>;
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#[cfg(ii)]
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type Assoc = W<Id<T::Assoc>, Id<T::Assoc>>;
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}
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trait Overlap<T> {}
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impl<T> Overlap<T> for W<T, T> {}
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impl<T: Trait + NotImplemented> Overlap<T::Assoc> for T {}
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fn main() {}
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