From de9b5dbca34230b8213ce612036fccabdb6ee53b Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Thu, 16 May 2019 11:36:01 +0200
Subject: [PATCH] Make sure the compile-time locking promises given via
 LockAnnotation:s hold also in practice at runtime (ifdef DEBUG_LOCKORDER)

---
 src/sync.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/sync.h b/src/sync.h
index a4c22f67cc7..43473534db0 100644
--- a/src/sync.h
+++ b/src/sync.h
@@ -311,6 +311,9 @@ struct SCOPED_LOCKABLE LockAnnotation
     template <typename Mutex>
     explicit LockAnnotation(Mutex& mutex) EXCLUSIVE_LOCK_FUNCTION(mutex)
     {
+#ifdef DEBUG_LOCKORDER
+        AssertLockHeld(mutex);
+#endif
     }
     ~LockAnnotation() UNLOCK_FUNCTION() {}
 };