From be093b6bde984445abef5bbc33e0f3e509229dc3 Mon Sep 17 00:00:00 2001
From: Brian Fiete <bfiete@gmail.com>
Date: Wed, 9 Sep 2020 23:45:16 -0700
Subject: [PATCH] Protect against closing document while getting symbol info

---
 IDE/src/ui/RenameSymbolDialog.bf | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/IDE/src/ui/RenameSymbolDialog.bf b/IDE/src/ui/RenameSymbolDialog.bf
index a99d6592..de7e7d0c 100644
--- a/IDE/src/ui/RenameSymbolDialog.bf
+++ b/IDE/src/ui/RenameSymbolDialog.bf
@@ -558,6 +558,8 @@ namespace IDE.ui
         {
             if (mUpdatingProjectSources == null)
                 return;
+			if (mClosed)
+				return;
 
             mIgnoreTextChanges = true;