From 4891d4067fe8901927f2676c2bf7beba5c5f1d03 Mon Sep 17 00:00:00 2001
From: Michael Schneider <mischneider1@gmail.com>
Date: Mon, 22 Oct 2018 11:21:38 -0700
Subject: [PATCH] Directly use __instanceLock__ to lock / unlock without having
 to create and destroy a MutextUnlocker

---
 Source/ASDisplayNode+Layout.mm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Source/ASDisplayNode+Layout.mm b/Source/ASDisplayNode+Layout.mm
index bf85800ab..979db6ca3 100644
--- a/Source/ASDisplayNode+Layout.mm
+++ b/Source/ASDisplayNode+Layout.mm
@@ -395,8 +395,9 @@ - (void)_u_measureNodeWithBoundsIfNecessary:(CGRect)bounds
       nextLayout.requestedLayoutFromAbove = YES;
 
       {
-        ASDN::MutexUnlocker u(__instanceLock__);
+        __instanceLock__.unlock();
         [self _u_setNeedsLayoutFromAbove];
+        __instanceLock__.lock();
       }
 
       // Update the layout's version here because _u_setNeedsLayoutFromAbove calls __setNeedsLayout which in turn increases _layoutVersion