mirror of https://github.com/rust-lang/rust
27 lines
766 B
Rust
27 lines
766 B
Rust
// Test that we handle the case when a local variable is borrowed for `'static`
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// due to an outlives constraint involving a region in an incompatible universe
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pub trait Outlives<'this> {}
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impl<'this, T> Outlives<'this> for T where T: 'this {}
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trait Reference {
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type AssociatedType;
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}
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impl<'a, T: 'a> Reference for &'a T {
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type AssociatedType = &'a ();
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}
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fn assert_static_via_hrtb<G>(_: G) where for<'a> G: Outlives<'a> {}
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fn assert_static_via_hrtb_with_assoc_type<T>(_: &'_ T)
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where
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for<'a> &'a T: Reference<AssociatedType = &'a ()>,
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{}
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fn main() {
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let local = 0;
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assert_static_via_hrtb(&local); //~ ERROR `local` does not live long enough
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assert_static_via_hrtb_with_assoc_type(&&local); //~ ERROR `local` does not live long enough
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}
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