src/jdk.compiler/share/classes/com/sun/tools/javac/code/Source.java

*** 260,10 ***
--- 260,11 ---
          WARN_ON_ILLEGAL_UTF8(MIN, JDK21),
          UNNAMED_VARIABLES(JDK22, Fragments.FeatureUnnamedVariables, DiagKind.PLURAL),
          PRIMITIVE_PATTERNS(JDK23, Fragments.FeaturePrimitivePatterns, DiagKind.PLURAL),
          FLEXIBLE_CONSTRUCTORS(JDK22, Fragments.FeatureFlexibleConstructors, DiagKind.NORMAL),
          MODULE_IMPORTS(JDK23, Fragments.FeatureModuleImports, DiagKind.PLURAL),
+         REFLECT_METHODS(JDK22, Fragments.FeatureReflectMethods, DiagKind.NORMAL),
          ;
  
          enum DiagKind {
              NORMAL,
              PLURAL;