From dc24f77741c5be2c48b69f8b816eff75ffcb04d2 Mon Sep 17 00:00:00 2001
From: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
Date: Fri, 1 Dec 2017 15:00:07 -0800
Subject: [PATCH] Limit recursive structured type resolution

---
 src/compiler/checker.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 0b8ba29a710..7897d5c0ece 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -6171,6 +6171,7 @@ namespace ts {
 
         function resolveStructuredTypeMembers(type: StructuredType): ResolvedType {
             if (!(<ResolvedType>type).members) {
+                setStructuredTypeMembers(type, emptySymbols, emptyArray, emptyArray, undefined, undefined);
                 if (type.flags & TypeFlags.Object) {
                     if ((<ObjectType>type).objectFlags & ObjectFlags.Reference) {
                         resolveTypeReferenceMembers(<TypeReference>type);