gc: fix conversion of user-defined string type to []byte

Fixes issue 1709.

R=ken2
CC=golang-dev
http://codereview.appspot.com/4438068

1 files changed, 19 insertions, 0 deletions

diff --git a/test/fixedbugs/bug333.go b/test/fixedbugs/bug333.go
new file mode 100644
index 000000000..515c1f3fa
--- /dev/null
+++ b/test/fixedbugs/bug333.go
@@ -0,0 +1,19 @@
+// $G $D/$F.go && $L $F.$A && ./$A.out
+
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1709
+
+package main
+
+func main() {
+       type Ts string
+       var ts Ts
+       _ = []byte(ts)
+}
+
+/*
+bug333.go:14: cannot use ts (type Ts) as type string in function argument
+*/