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19 lines
510 B
Rust
19 lines
510 B
Rust
//@ compile-flags: -Znext-solver
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//@ check-pass
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trait Trivial {
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type Assoc;
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}
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impl<T: ?Sized> Trivial for T {
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type Assoc = ();
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}
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fn main() {
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// During writeback, we call `normalize_erasing_regions`, which will walk past
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// the `for<'a>` binder and try to normalize `<&'a () as Trivial>::Assoc` directly.
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// We need to handle this case in the new deep normalizer similarly to how it
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// is handled in the old solver.
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let x: Option<for<'a> fn(<&'a () as Trivial>::Assoc)> = None;
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}
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