Remove useless contract in EventListener

kyulee1 · kyulee1 · commit 00190bb80348 · 2016-07-28T15:13:52.000-07:00
Fixes https://github.com/dotnet/coreclr/issues/6504
diff --git a/src/mscorlib/src/System/Diagnostics/Eventing/EventSource.cs b/src/mscorlib/src/System/Diagnostics/Eventing/EventSource.cs
@@ -4271,7 +4271,6 @@ public virtual void Dispose()
         {
             lock (EventListenersLock)
             {
-                Contract.Assert(s_Listeners != null);
                 if (s_Listeners != null)
                 {
                     if (this == s_Listeners)

Original file line number	Diff line number	Diff line change
`@@ -4271,7 +4271,6 @@ public virtual void Dispose()`
`4271`	`4271`	`{`
`4272`	`4272`	`lock (EventListenersLock)`
`4273`	`4273`	`{`
`4274`		`- Contract.Assert(s_Listeners != null);`
`4275`	`4274`	`if (s_Listeners != null)`
`4276`	`4275`	`{`
`4277`	`4276`	`if (this == s_Listeners)`