Correctly provide suggestions when encountering `async fn` with a `dyn Trait` return type - #148491

Merged

bors merged 8 commits into

rust-lang:mainfrom

estebank:issue-147894

Dec 10, 2025

Commits on Dec 9, 2025

Use return type `Span` on async fns instead of whole fn def `Span`
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20fabb4
Add test for `dyn Trait` in `async fn` return type
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76f02cf
Account for `async fn` with `dyn Trait` return type in `impl Trait` suggestion
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7868d20
Add test for `type Alias = dyn Trait` in return type
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fabf574
Recognize `type Alias = dyn Trait` in `fn` return types
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60b227a
Point at async fn return type instead of body in E0746
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e2168b1
Provide boxing suggestion for `type Alias = dyn Trait` return type
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8c63852
Account for async fn in traits and impls
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f7eaaf7