From af52b6314c553195474ba11d38b4b952ef2f15fa Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Mon, 17 Oct 2016 15:34:03 -0700
Subject: [PATCH] Address CR feedback

---
 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 db95eb9bc17..41fc483f4ee 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -6114,7 +6114,7 @@ namespace ts {
             // know that all parameters (including 'this') have type annotations and nothing is
             // subject to contextual typing.
             const parameter = firstOrUndefined(node.parameters);
-            return !(parameter && parameter.name.kind === SyntaxKind.Identifier && (<Identifier>parameter.name).text === "this");
+            return !(parameter && parameterIsThisKeyword(parameter));
         }
 
         function isContextSensitiveFunctionOrObjectLiteralMethod(func: Node): func is FunctionExpression | ArrowFunction | MethodDeclaration {