From e6529b30ec934f285d57dc16dd8acbbab074f102 Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Tue, 29 Dec 2015 15:00:57 +0100
Subject: sys: add union type

---
 prog/clone.go | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'prog/clone.go')

diff --git a/prog/clone.go b/prog/clone.go
index dd8e6e4db..14f9db759 100644
--- a/prog/clone.go
+++ b/prog/clone.go
@@ -31,6 +31,8 @@ func (arg *Arg) clone(c *Call, newargs map[*Arg]*Arg) *Arg {
 		if arg.Res != nil {
 			arg1.Res = arg.Res.clone(c, newargs)
 		}
+	case ArgUnion:
+		arg1.Option = arg.Option.clone(c, newargs)
 	case ArgResult:
 		r := newargs[arg.Res]
 		arg1.Res = r
-- 
cgit mrf-deployment