additional comments for the major bug (EXT-1849) Crash in Notification...

additional comments for the major bug (EXT-1849) Crash in Notification subsystem while teleporting and having toasts shown

--HG--
branch : product-engine

indra/newview/lltoast.cpp

@@ -208,7 +208,11 @@ void LLToast::setVisible(BOOL show)
 {
 	if(mIsHidden)
 	{
-		// this toast is invisible untill its ScreenChannel will allow it
+		// this toast is invisible after fade until its ScreenChannel will allow it
+		//
+		// (EXT-1849) according to this bug a toast can be resurrected from
+		// invisible state if it faded during a teleportation
+		// then it fades a second time and causes a crash
 		return;
 	}
 

indra/newview/lltoast.h

@@ -166,7 +166,7 @@ class LLToast : public LLModalDialog
 	bool		mCanBeStored;
 	bool		mHideBtnEnabled;
 	bool		mHideBtnPressed;
-	bool		mIsHidden;  // this flag is TRUE when a toast has faded or was hidden with (x) button
+	bool		mIsHidden;  // this flag is TRUE when a toast has faded or was hidden with (x) button (EXT-1849)
 };
 
 }