test: add a test that caused gccgo to crash

R=golang-dev
CC=golang-dev
https://golang.org/cl/6849129

diff --git a/test/fixedbugs/bug471.go b/test/fixedbugs/bug471.go
new file mode 100644 (file)
index 0000000..e454259
--- /dev/null
+++ b/test/fixedbugs/bug471.go
@@ -0,0 +1,18 @@
+// compile
+
+// Copyright 2012 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.
+
+// Caused an internal compiler error in gccgo.
+
+package p
+
+type C chan struct{}
+
+func (c C) F() {
+       select {
+       case c <- struct{}{}:
+       default:
+       }
+}