26 lines
539 B
Rust
26 lines
539 B
Rust
//@ compile-flags: -Znormalize-docs
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#![feature(type_alias_impl_trait)]
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trait Allocator {
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type Buffer;
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}
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struct DefaultAllocator;
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// This unconstrained impl parameter causes the normalization of
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// `<DefaultAllocator as Allocator>::Buffer` to be ambiguous,
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// which caused an ICE with `-Znormalize-docs`.
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impl<T> Allocator for DefaultAllocator {
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//~^ ERROR: the type parameter `T` is not constrained
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type Buffer = ();
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}
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type A = impl Fn(<DefaultAllocator as Allocator>::Buffer);
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fn foo() -> A {
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|_| ()
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}
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fn main() {}
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