From 6fddd1aaf43237a88ea8b0d191c8dc1542558bf9 Mon Sep 17 00:00:00 2001
From: juha <juha@lazarus-ide.org>
Date: Tue, 29 Sep 2020 23:07:27 +0000
Subject: [PATCH] IDE: Fix a crash if IDE is aborted before updating
 configuration.

git-svn-id: trunk@63939 -
---
 ide/main.pp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ide/main.pp b/ide/main.pp
index 8dff80d0d3..d5a7dc8d11 100644
--- a/ide/main.pp
+++ b/ide/main.pp
@@ -1664,8 +1664,9 @@ end;
 destructor TMainIDE.Destroy;
 begin
   ToolStatus:=itExiting;
-
-  IDECommandList.RemoveCustomUpdateEvent(@UpdateMainIDECommands);
+  // IDECommandList may be Nil if the IDE is aborted before updating configuration.
+  if Assigned(IDECommandList) then
+    IDECommandList.RemoveCustomUpdateEvent(@UpdateMainIDECommands);
 
   if Assigned(ExternalToolList) then
     ExternalToolList.TerminateAll;