test: add test for issue8347

Fixes issue 8347.

LGTM=dave
R=golang-codereviews, dave
CC=golang-codereviews
https://codereview.appspot.com/109600044

1 files changed, 27 insertions, 0 deletions

diff --git a/test/fixedbugs/issue8347.go b/test/fixedbugs/issue8347.go
new file mode 100644
index 000000000..0828ccf06
--- /dev/null
+++ b/test/fixedbugs/issue8347.go
@@ -0,0 +1,27 @@
+// run
+
+// Copyright 2014 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.
+
+package main
+
+func main() {
+	c := make(chan bool, 1)
+	ok := true
+	for i := 0; i < 12; i++ {
+		select {
+		case _, ok = <-c:
+			if i < 10 && !ok {
+				panic("BUG")
+			}
+		default:
+		}
+		if i < 10 && !ok {
+			panic("BUG")
+		}
+		if i >= 10 && ok {
+			close(c)
+		}
+	}
+}