From 997e7d1e5b50597489360222bc16ccf1880875a2 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Tue, 5 Apr 2011 01:45:28 +0200
Subject: bugfix: tmacros1.nim works

---
 rod/evals.nim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'rod/evals.nim')

diff --git a/rod/evals.nim b/rod/evals.nim
index 31c0e629a..29f77aeda 100755
--- a/rod/evals.nim
+++ b/rod/evals.nim
@@ -303,7 +303,8 @@ proc evalVariable(c: PStackFrame, sym: PSym, flags: TEvalFlags): PNode =
       if result == nil: result = emptyNode
       return
     result = IdNodeTableGet(x.mapping, sym)
-    if not aliasNeeded(result, flags): result = copyTree(result)
+    if result != nil and not aliasNeeded(result, flags): 
+      result = copyTree(result)
     if result != nil: return 
     x = x.next
   result = emptyNode
-- 
cgit 1.4.1-2-gfad0