From 5d46ca7118b01fe5087793e0af115a61320bd65e Mon Sep 17 00:00:00 2001
From: Andy <anhans@microsoft.com>
Date: Mon, 17 Jul 2017 12:56:58 -0700
Subject: [PATCH] Reuse stored types for any[] and Promise<any> instead of
 creating new ones (#17179)

* Reuse stored types for any[] and Promise<any> instead of creating new ones

* Don't store anyPromiseType
---
 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 5d3300ba19b..dafa75372e1 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -6892,7 +6892,7 @@ namespace ts {
                         return globalFunctionType;
                     case "Array":
                     case "array":
-                        return !node.typeArguments || !node.typeArguments.length ? createArrayType(anyType) : undefined;
+                        return !node.typeArguments || !node.typeArguments.length ? anyArrayType : undefined;
                     case "Promise":
                     case "promise":
                         return !node.typeArguments || !node.typeArguments.length ? createPromiseType(anyType) : undefined;