swift

fb281331 - Merge pull request #76558 from gottesmm/pr-39b63781333d46b16f086a7c192efc67b26255db

Merge pull request #76558 from gottesmm/pr-39b63781333d46b16f086a7c192efc67b26255db [concurrency] Behind the flag UnspecifiedMeansMainActorIsolated, try inferring by default main actor isolation instead of nonisolated for unspecified.