--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/BlockLexicalContext.java	Wed Jul 05 20:16:23 2017 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/BlockLexicalContext.java	Wed Jan 28 17:58:08 2015 +0100
@@ -74,7 +74,7 @@
 
     @SuppressWarnings("unchecked")
     @Override
-    public <T extends LexicalContextNode> T pop(final T node) {
+    public <T extends Node> T pop(final T node) {
         T expected = node;
         if (node instanceof Block) {
             final List<Statement> newStatements = popStatements();