Code Analysis ReferenceAnalyzersRCS1157On this pageRCS1157: Composite enum value contains undefined flagPropertiesPropertyValueDefault SeverityInfoMinimum language version-ExamplesExample #1diagnostic.cs[Flags]public enum Foo{ None = 0, A = 1, B = 2, C = 4, D = 8, X = 17}Applies toExtension for VS 2022Extension for VS CodeExtension for Open VSXPackage Roslynator.Analyzers