1 files changed, 7 insertions, 1 deletions
diff --git a/src/jdk/nashorn/internal/ir/LexicalContextNode.java b/src/jdk/nashorn/internal/ir/LexicalContextNode.java
index bb6a681d..b53d9f6b 100644
--- a/src/jdk/nashorn/internal/ir/LexicalContextNode.java
+++ b/src/jdk/nashorn/internal/ir/LexicalContextNode.java
@@ -44,8 +44,14 @@ public interface LexicalContextNode {
     Node accept(final LexicalContext lc, final NodeVisitor<? extends LexicalContext> visitor);
 
     // Would be a default method on Java 8
+    /**
+     * Helper class for accept for items of this lexical context, delegates to the
+     * subclass accept and makes sure that the node is on the context before accepting
+     * and gets popped after accepting (and that the stack is consistent in that the
+     * node has been replaced with the possible new node resulting in visitation)
+     */
     static class Acceptor {
-        static Node accept(LexicalContextNode node, final NodeVisitor<? extends LexicalContext> visitor) {
+        static Node accept(final LexicalContextNode node, final NodeVisitor<? extends LexicalContext> visitor) {
             final LexicalContext lc = visitor.getLexicalContext();
             lc.push(node);
             final LexicalContextNode newNode = (LexicalContextNode)node.accept(lc, visitor);