Component scanning ignores attributes and meta-annotations on non-public annotations

Issue: SPR-11091

spring-context/src/test/java/example/scannable/CustomAnnotations.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2002-2013 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package example.scannable;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+public class CustomAnnotations {
+
+	@Retention(RetentionPolicy.RUNTIME)
+	private @interface PrivateAnnotation {
+		String value();
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@PrivateAnnotation("special")
+	public @interface SpecialAnnotation {
+	}
+
+}