From 00bffe1a408561083f2beca80df29d47588fbd39 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Wed, 29 Jul 2015 16:50:17 -0700
Subject: [PATCH] Including numeric index signatures

---
 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 f7bd5c8e728..2ff2c8590d0 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -5276,7 +5276,7 @@ namespace ts {
                     return indexTypesIdenticalTo(IndexKind.Number, source, target);
                 }
                 let targetType = getIndexTypeOfType(target, IndexKind.Number);
-                if (targetType) {
+                if (targetType && !(targetType.flags & TypeFlags.Any)) {
                     let sourceStringType = getIndexTypeOfType(source, IndexKind.String);
                     let sourceNumberType = getIndexTypeOfType(source, IndexKind.Number);
                     if (!(sourceStringType || sourceNumberType)) {