1 files changed, 25 insertions, 0 deletions
diff --git a/test/fixedbugs/issue15439.go b/test/fixedbugs/issue15439.go
new file mode 100644
index 0000000..840a3c0
--- /dev/null
+++ b/test/fixedbugs/issue15439.go
@@ -0,0 +1,25 @@
+// run
+
+// Copyright 2016 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
+
+import "reflect"
+
+func main() {
+	a := &struct{ x int }{}
+	b := &struct{ x int "" }{}
+
+	ta := reflect.TypeOf(a)
+	tb := reflect.TypeOf(b)
+
+	// Ensure cmd/compile treats absent and empty tags as equivalent.
+	a = b
+
+	// Ensure package reflect treats absent and empty tags as equivalent.
+	if !tb.AssignableTo(ta) {
+		panic("fail")
+	}
+}