RSRP-273441: Incorrect 'Expression is always true' inside lambda which is created under certain conditions

	class Program {
		static void Main(string[] args) {
		}

		private Assembly ApplicationAssembly {
			get;
			set;
		}

		private FileSystemWatcher appUpdateWatcher;

		private EventHandler applicationUpdated;
		public event EventHandler ApplicationUpdated {
			add {
				applicationUpdated = (EventHandler)Delegate.Combine(applicationUpdated, value);
				UpdateAppUpdateWatcher();
			}
			remove {
				applicationUpdated = (EventHandler)Delegate.Remove(applicationUpdated, value);
			}
		}

		private void UpdateAppUpdateWatcher() {
			if(applicationUpdated != null && appUpdateWatcher == null && ApplicationAssembly != null) {
				appUpdateWatcher = new FileSystemWatcher(Path.GetDirectoryName(ApplicationAssembly.Location), "*.exe");
				appUpdateWatcher.Renamed += (o, args) => {
					var handler = applicationUpdated;
					if(handler != null)
						handler(this, EventArgs.Empty);
				};
			}
		}
	}