From 4b15a845057539b2abaa25a616af7b83191fc826 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Sat, 10 Dec 2011 20:47:06 +0100
Subject: [PATCH] fhdl: fix += for empty fragment

---
 migen/fhdl/structure.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/migen/fhdl/structure.py b/migen/fhdl/structure.py
index d00de9edb..2580cf0a2 100644
--- a/migen/fhdl/structure.py
+++ b/migen/fhdl/structure.py
@@ -194,7 +194,7 @@ class Instance:
 		return id(self)
 
 class Fragment:
-	def __init__(self, comb=StatementList(), sync=StatementList(), instances=[], pads=set()):
+	def __init__(self, comb=[], sync=[], instances=[], pads=set()):
 		self.comb = _sl(comb)
 		self.sync = _sl(sync)
 		self.instances = instances