From 2702f003c2e446b38eda3dde53f4c75403bfeeb6 Mon Sep 17 00:00:00 2001
From: Adlai Holler <adlai@google.com>
Date: Thu, 8 Nov 2018 06:40:16 -0800
Subject: [PATCH] Remove irrelevant change

---
 Source/ASDisplayNode.mm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Source/ASDisplayNode.mm b/Source/ASDisplayNode.mm
index fe9dfb69..fb42f5be 100644
--- a/Source/ASDisplayNode.mm
+++ b/Source/ASDisplayNode.mm
@@ -2108,6 +2108,12 @@ ASDISPLAYNODE_INLINE BOOL subtreeIsRasterized(ASDisplayNode *node) {
 // NOTE: This method must be dealloc-safe (should not retain self).
 - (ASDisplayNode *)supernode
 {
+#if CHECK_LOCKING_SAFETY
+  if (__instanceLock__.locked()) {
+    NSLog(@"WARNING: Accessing supernode while holding recursive instance lock of this node is worrisome. It's likely that you will soon try to acquire the supernode's lock, and this can easily cause deadlocks.");
+  }
+#endif
+  
   ASDN::MutexLocker l(__instanceLock__);
   return _supernode;
 }