Bug 571399 - [16] 2 tests failing in the Y- build

Change-Id: I6088bade2c4800b3a76f29baf49e70f85723fcaf
Signed-off-by: Kalyan Prasad Tatavarthi <kalyan_prasad@in.ibm.com>
diff --git a/org.eclipse.jdt.core.manipulation/core extension/org/eclipse/jdt/internal/corext/dom/HierarchicalASTVisitor.java b/org.eclipse.jdt.core.manipulation/core extension/org/eclipse/jdt/internal/corext/dom/HierarchicalASTVisitor.java
index 00eaa7c..5775f09 100644
--- a/org.eclipse.jdt.core.manipulation/core extension/org/eclipse/jdt/internal/corext/dom/HierarchicalASTVisitor.java
+++ b/org.eclipse.jdt.core.manipulation/core extension/org/eclipse/jdt/internal/corext/dom/HierarchicalASTVisitor.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2020 IBM Corporation and others.
+ * Copyright (c) 2000, 2021 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -8,6 +8,10 @@
  *
  * SPDX-License-Identifier: EPL-2.0
  *
+ * This is an implementation of an early-draft specification developed under the Java
+ * Community Process (JCP) and is made available for testing and evaluation purposes
+ * only. The code is not compatible with any specification of the JCP.
+ *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
@@ -450,6 +454,16 @@
 	}
 
 	@Override
+	public boolean visit(PatternInstanceofExpression node) {
+		return visit((Expression)node);
+	}
+
+	@Override
+	public void endVisit(PatternInstanceofExpression node) {
+		endVisit((Expression)node);
+	}
+
+	@Override
 	public boolean visit(LambdaExpression node) {
 		return visit((Expression)node);
 	}