gc: bug302

Fixed by http://code.google.com/p/go/source/detail?r=d1f41e20a90e
This just adds a test and checks the return value of Bprint.

R=ken2
CC=golang-dev
https://golang.org/cl/1949042
diff --git a/test/fixedbugs/bug302.go b/test/fixedbugs/bug302.go
new file mode 100644
index 0000000..2a1d922
--- /dev/null
+++ b/test/fixedbugs/bug302.go
@@ -0,0 +1,6 @@
+// $G $D/bug302.dir/p.go && $G $D/bug302.dir/main.go
+
+// Copyright 2010 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.
+