From c0317d40c9a970a308b1bb772b3b7f05dcff5d66 Mon Sep 17 00:00:00 2001
From: Pawel Kozlowski <pkozlowski.opensource@gmail.com>
Date: Thu, 25 Jul 2019 15:32:02 +0200
Subject: [PATCH] perf(ivy): call refreshContentQueries only when there are
 content queries defined (#31839)

PR Close #31839
---
 packages/core/src/render3/instructions/shared.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/render3/instructions/shared.ts b/packages/core/src/render3/instructions/shared.ts
index 71c3270233..cae83517f6 100644
--- a/packages/core/src/render3/instructions/shared.ts
+++ b/packages/core/src/render3/instructions/shared.ts
@@ -83,7 +83,9 @@ export function refreshDescendantViews(lView: LView) {
     refreshDynamicEmbeddedViews(lView);
 
     // Content query results must be refreshed before content hooks are called.
-    refreshContentQueries(tView, lView);
+    if (tView.contentQueries !== null) {
+      refreshContentQueries(tView, lView);
+    }
 
     resetPreOrderHookFlags(lView);
     executeHooks(