[omochi@omochi-mbp sen]$ cat a.swift | swift -module-name main -strict-concurrency=complete - 1 <stdin>:8:13: warning: sending 'self'-isolated value of type 'S' with later accesses to actor-isolated context risks causing data races; this is an error in the Swift 6 language mode 6 | 7 | func main(a: A) async { 8 | await a.foo() | `- warning: sending 'self'-isolated value of type 'S' with later accesses to actor-isolated context risks causing data races; this is an error in the Swift 6 language mode 9 | } 10 |