swift

85f18854 - [CSSyntacticElement] Correctly determine whether body is a "single expression"

[CSSyntacticElement] Correctly determine whether body is a "single expression" Result builder transformed bodies are always multi-statement. Resolves: https://github.com/apple/swift/issues/63264 (cherry picked from commit e3ea5972419b64edfe661f301c78a6dec31822aa)