Change PermissionSet.SyncRoot to return this instead of null (#23631)

Signed-off-by: dotnet-bot <[email protected]>
Dotnet-GitSync-Bot · Apr 2, 2019 · 3ba07b2 · 3ba07b2
1 parent 3359bd9
commit 3ba07b2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Common/src/CoreLib/System/Security/PermissionSet.cs b/src/Common/src/CoreLib/System/Security/PermissionSet.cs
@@ -18,7 +18,7 @@ public PermissionSet(PermissionSet permSet) { }
         public virtual int Count { get { return 0; } }
         public virtual bool IsReadOnly { get { return false; } }
         public virtual bool IsSynchronized { get { return false; } }
-        public virtual object SyncRoot { get { return null; } }
+        public virtual object SyncRoot { get { return this; } }
         public IPermission AddPermission(IPermission perm) { return AddPermissionImpl(perm); }
         protected virtual IPermission AddPermissionImpl(IPermission perm) { return default(IPermission); }
         public void Assert() { }