From ba68cfd61153ed260ae1cf3c8dc7e4986ee4fa69 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <c.oelckers@zdoom.fake>
Date: Tue, 13 Sep 2016 21:01:50 +0200
Subject: [PATCH] - do not even allow creation of names in C_RemoveTabCommands
 if there are no tab commands, so that FindName cannot be called after the
 NameManager has been destroyed.

---
 src/c_console.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/c_console.cpp b/src/c_console.cpp
index 086861229..2d164c478 100644
--- a/src/c_console.cpp
+++ b/src/c_console.cpp
@@ -1747,6 +1747,14 @@ void C_AddTabCommand (const char *name)
 
 void C_RemoveTabCommand (const char *name)
 {
+	if (TabCommands.Size() == 0)
+	{
+		// There are no tab commands that can be removed.
+		// This is important to skip construction of aname 
+		// in case the NameManager has already been destroyed.
+		return;
+	}
+
 	FName aname(name, true);
 
 	if (aname == NAME_None)