From 5fc4a8e4d30203b3a7c675f06501370987dfb31d Mon Sep 17 00:00:00 2001
From: David Li <jiawei.davidli@gmail.com>
Date: Wed, 10 Jun 2015 19:59:07 -0400
Subject: [PATCH] Fix crash with unmet generic type constraints

  It looks like 93dbcf006f3855c20f02e587970add1744cf32d1 didn't completely change
  "(<CallExpression>node).typeArguments" to "typeArguments".

  Closes #3464

Signed-off-by: David Li <jiawei.davidli@gmail.com>
---
 src/compiler/checker.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index c8150d644a..04f1e7101e 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -7275,8 +7275,8 @@ module ts {
                 checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, /*excludeArgument*/ undefined, /*reportErrors*/ true);
             }
             else if (candidateForTypeArgumentError) {
-                if (!isTaggedTemplate && (<CallExpression>node).typeArguments) {
-                    checkTypeArguments(candidateForTypeArgumentError, (<CallExpression>node).typeArguments, [], /*reportErrors*/ true)
+                if (!isTaggedTemplate && typeArguments) {
+                    checkTypeArguments(candidateForTypeArgumentError, typeArguments, [], /*reportErrors*/ true)
                 }
                 else {
                     Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0);