Compiler mistakes referencing an actor method for applying that method

[rayx]

Description

actor A {
    func dumpSignature() {
        print(type(of: Self.dumpSignature)) // error: call to actor-isolated instance method 'dumpSignature()' in a synchronous nonisolated context [#ActorIsolatedCall]
        let fn = Self.dumpSignature  // same error as above
    }
}

In contrast, GAIT works fine.

@globalActor
actor MyGlobal {
    static let shared = MyGlobal()
}

@MyGlobal
struct S {
    func dumpSignature() {
        print(type(of: Self.dumpSignature)) // OK
    }
}

Reproduction

See above

Expected behavior

The first example should compile.

Environment

x86-64 swiftc nightly on godbolt

Additional information

No response