component Test1: QtObject {
    id: tt
    property alias name: tt.objectName
  }

  component Test2: Test1 { }

  Test2 {
    // fails to load - Cannot assign to non-existent property "name" 
    name: "test2"
    // Error: Invalid write to global property "name"
    Component.onCompleted: name = "test2"
  }