   @completionHandlerAsync("protoFunc", completionHandlerIndex: 0)
   func protoFunc(continuation: @escaping () -> Void) {}
 
+  // expected-note@+1{{'structFunc()' declared here}}
   func structFunc() async { }
 
   @completionHandlerAsync("structFunc", completionHandlerIndex: 0)

}

class ClassCallingAsyncStuff {
  // expected-note@+1 3 {{'asyncFunc()' declared here}}
  func asyncFunc() async {}

  @completionHandlerAsync("asyncFunc()")

  func instanceFunc(other: ClassCallingAsyncStuff) async {
    // expected-error@+1{{cannot find 'c' in scope}}
    c.compHandlerFunc() { }

    // expected-warning@+1{{consider using asynchronous alternative function}}
    other.compHandlerFunc() { }
  }

  func structFunc(other: NestedStruct) async {
    // expected-warning@+1{{consider using asynchronous alternative function}}
    other.structCompFunc() { }
  }

  func structFunc(other: SomeStruct) async {
    // expected-warning@+1{{consider using asynchronous alternative function}}
    other.structFunc() { }
  }

  // no warning
  let funFunc = goodFunc1
}
