From a565a023ebee17ae2a96b75ca29f94375d1dfb44 Mon Sep 17 00:00:00 2001
From: Ron Buckton <rbuckton@microsoft.com>
Date: Wed, 13 May 2015 17:26:28 -0700
Subject: [PATCH] Fixes missing check in
 isParenthesizedArrowFunctionExpressionWorker

---
 src/compiler/parser.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
index 425741ec3cc..6e9b37c97e7 100644
--- a/src/compiler/parser.ts
+++ b/src/compiler/parser.ts
@@ -2691,6 +2691,9 @@ module ts {
                 if (scanner.hasPrecedingLineBreak()) {
                     return Tristate.False;
                 }
+                if (token !== SyntaxKind.OpenParenToken && token !== SyntaxKind.LessThanToken) {
+                    return Tristate.False;
+                }
             }
             
             let first = token;