From a1e65c05594ccdc23f744d0a9fa0b03af176a85a Mon Sep 17 00:00:00 2001
From: Filip Navara <navara@emclient.com>
Date: Mon, 1 Apr 2019 21:03:56 +0200
Subject: [PATCH] [netcore] Fix TrySetApartmentStateUnchecked return value

---
 mcs/class/System.Private.CoreLib/System.Threading/Thread.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mcs/class/System.Private.CoreLib/System.Threading/Thread.cs b/mcs/class/System.Private.CoreLib/System.Threading/Thread.cs
index 6ac0c322dda..58e42a7d2b5 100644
--- a/mcs/class/System.Private.CoreLib/System.Threading/Thread.cs
+++ b/mcs/class/System.Private.CoreLib/System.Threading/Thread.cs
@@ -255,7 +255,7 @@ namespace System.Threading
 			return YieldInternal ();
 		}
 
-		public bool TrySetApartmentStateUnchecked (ApartmentState state) => false;
+		public bool TrySetApartmentStateUnchecked (ApartmentState state) => state == ApartmentState.Unknown;
 
 		ThreadState ValidateThreadState ()
 		{
-- 
2.11.4.GIT