From 260a66526435f3b1cbc13c7550db13cae6286aeb Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Sun, 3 Jan 2021 15:44:51 -1000
Subject: [PATCH] Remove redundant call

---
 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 24dcc6afba9..77512625367 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -13309,7 +13309,7 @@ namespace ts {
                 addNamedUnions(namedUnions, types);
                 const reducedTypes: Type[] = [];
                 for (const t of typeSet) {
-                    if (!isNamedUnionType(t) && !some(namedUnions, union => containsType((<UnionType>union).types, t))) {
+                    if (!some(namedUnions, union => containsType((<UnionType>union).types, t))) {
                         reducedTypes.push(t);
                     }
                 }