swift

ad7b98f4 - [Diagnostics] Diagnose a mismatch between result builder result and return type

[Diagnostics] Diagnose a mismatch between result builder result and return type Add a tailored diagnostic for cases where result builder result type disagrees with expected contextual return type. Resolves: https://github.com/apple/swift/issues/59390 (cherry picked from commit 63fcd670fb820cfc0a87b028cf1b410d68b905da)