--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/OptimisticLexicalContext.java	Wed Jul 05 20:16:23 2017 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/OptimisticLexicalContext.java	Wed Jan 28 17:58:08 2015 +0100
@@ -115,7 +115,7 @@
     }
 
     @Override
-    public <T extends LexicalContextNode> T pop(final T node) {
+    public <T extends Node> T pop(final T node) {
         final T popped = super.pop(node);
         if (isEnabled) {
             if(node instanceof FunctionNode) {