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This repository was archived by the owner on May 28, 2025. It is now read-only.
Rollup merge of rust-lang#134017 - compiler-errors:call-once-deduction, r=jieyouxu
Don't use `AsyncFnOnce::CallOnceFuture` bounds for signature deduction
We shouldn't be using `AsyncFnOnce::CallOnceFuture` projection bounds to deduce anything about the return type of an async closure, **only** `AsyncFnOnce::Output`. This was accidental b/c all we were looking at was the def id of the trait, rather than the projection. This PR fixes that.
This doesn't affect stable code, since `CallOnceFuture` bounds cannot be written on stable.
Fixesrust-lang#134015
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