Dnreikronos 3467b6fc20 Clean resolved signature for delegated functions in rustdoc ...

A delegation item (`reuse path::method`) has an unresolved HIR
signature: its inputs and return type are `InferDelegation` nodes that
clean to `_`. When the delegated function is async, the `async` header
over that inferred return type made `clean_fn_decl_with_params` call
`sugared_async_return_type` on a non-`impl Future` type, panicking with
"unexpected async fn return type".

Clean the resolved ty-side signature for delegation items instead, the
same way inlined items are cleaned. This avoids the ICE and renders the
real return type and `self` parameter rather than `-> _` / `self: _`.

2026-05-31 18:08:27 -03:00

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auxiliary

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async-fn-delegation.rs

Clean resolved signature for delegated functions in rustdoc

2026-05-31 18:08:27 -03:00

async-fn-opaque-item.rs

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async-fn.rs

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async-move-doctest.rs

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async-trait-sig.rs

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async-trait.rs

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