From 729dfceb457943363bfa883b91639a673ae7d975 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Thu, 21 Apr 2016 10:49:19 -0700
Subject: [PATCH] Fix incorrect user defined type guard function in compiler

---
 src/compiler/emitter.ts   | 2 +-
 src/compiler/utilities.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index 254b8d7e61b..19c47db2193 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -7084,7 +7084,7 @@ const _super = (function (geti, seti) {
                             hoistedVars = [];
                         }
 
-                        hoistedVars.push(node.name);
+                        hoistedVars.push((<ImportEqualsDeclaration>node).name);
                         return;
                     }
 
diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 60b041d843c..65405db79ae 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -1178,7 +1178,7 @@ namespace ts {
         return (<ExternalModuleReference>(<ImportEqualsDeclaration>node).moduleReference).expression;
     }
 
-    export function isInternalModuleImportEqualsDeclaration(node: Node): node is ImportEqualsDeclaration {
+    export function isInternalModuleImportEqualsDeclaration(node: Node): boolean {
         return node.kind === SyntaxKind.ImportEqualsDeclaration && (<ImportEqualsDeclaration>node).moduleReference.kind !== SyntaxKind.ExternalModuleReference;
     }