From fbc1028d2b6156a297540d9d4a0030ff0036717d Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Thu, 13 Apr 2017 12:06:59 +0300
Subject: [PATCH] Fixed crash when parsing DECORATE constant expressions

---
 src/scripting/decorate/thingdef_exp.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/scripting/decorate/thingdef_exp.cpp b/src/scripting/decorate/thingdef_exp.cpp
index d3acae632..37d613d8a 100644
--- a/src/scripting/decorate/thingdef_exp.cpp
+++ b/src/scripting/decorate/thingdef_exp.cpp
@@ -88,7 +88,8 @@ FxExpression *ParseExpression (FScanner &sc, PClassActor *cls, PNamespace *spc)
 
 	if (spc)
 	{
-		FCompileContext ctx(spc, cls->VMType, true);
+		PClassType *vmtype = nullptr == cls ? nullptr : cls->VMType;
+		FCompileContext ctx(spc, vmtype, true);
 		data = data->Resolve(ctx);
 	}