From cd8cd0ce3a683abd962fccc80a6fbb02e7e6e0d4 Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <drosen@microsoft.com>
Date: Fri, 5 Dec 2014 18:13:58 -0800
Subject: [PATCH] Check if the symbol exists before checking its visibility.

Should fix #1348.
---
 src/compiler/checker.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 5cd71544272..fb361b64cc8 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -1012,7 +1012,7 @@ module ts {
             var symbol = resolveName(enclosingDeclaration, (<Identifier>firstIdentifier).text, meaning, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined);
 
             // Verify if the symbol is accessible
-            return hasVisibleDeclarations(symbol) || <SymbolVisibilityResult>{
+            return (symbol && hasVisibleDeclarations(symbol)) || <SymbolVisibilityResult>{
                 accessibility: SymbolAccessibility.NotAccessible,
                 errorSymbolName: getTextOfNode(firstIdentifier),
                 errorNode: firstIdentifier