From 24a6a087f53ac53e6eea476f4b753e7d00578ccc Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Fri, 23 Jun 2017 08:31:48 -1000
Subject: [PATCH] Add early bail out for token nodes

---
 src/compiler/parser.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
index 47e8157b8a7..5c3db7e0637 100644
--- a/src/compiler/parser.ts
+++ b/src/compiler/parser.ts
@@ -51,7 +51,7 @@ namespace ts {
      * @param cbNodes a callback to be invoked for embedded array
      */
     export function forEachChild<T>(node: Node, cbNode: (node: Node) => T | undefined, cbNodes?: (nodes: NodeArray<Node>) => T | undefined): T | undefined {
-        if (!node) {
+        if (!node || node.kind <= SyntaxKind.LastToken) {
             return;
         }
         switch (node.kind) {