private void markEnumOrInnerConstructorParameterAsSynthetic(MethodVisitor mv, int i) { // IDEA's ClsPsi builder fails to annotate synthetic parameters if (state.getClassBuilderMode() == ClassBuilderMode.LIGHT_CLASSES) return; // This is needed to avoid RuntimeInvisibleParameterAnnotations error in javac: // see MethodWriter.visitParameterAnnotation() AnnotationVisitor av = mv.visitParameterAnnotation(i, "Ljava/lang/Synthetic;", true); if (av != null) { av.visitEnd(); } }