gc: fix conversion of user-defined string type to []byte
Fixes #1709.
R=ken2
CC=golang-dev
https://golang.org/cl/4438068
diff --git a/src/cmd/gc/walk.c b/src/cmd/gc/walk.c
index 6b94002..ae556ae 100644
--- a/src/cmd/gc/walk.c
+++ b/src/cmd/gc/walk.c
@@ -1356,7 +1356,7 @@
case OSTRARRAYBYTE:
// stringtoslicebyte(string) []byte;
- n = mkcall("stringtoslicebyte", n->type, init, n->left);
+ n = mkcall("stringtoslicebyte", n->type, init, conv(n->left, types[TSTRING]));
goto ret;
case OSTRARRAYRUNE:
diff --git a/test/fixedbugs/bug333.go b/test/fixedbugs/bug333.go
new file mode 100644
index 0000000..515c1f3
--- /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
+*/
