1 files changed, 38 insertions, 0 deletions
diff --git a/src/go/doc/testdata/blank.go b/src/go/doc/testdata/blank.go
new file mode 100644
index 000000000..f812c77b7
--- /dev/null
+++ b/src/go/doc/testdata/blank.go
@@ -0,0 +1,38 @@
+// 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 blank is a go/doc test for the handling of _.
+// See issue 5397.
+package blank
+
+type T int
+
+// T constants.
+const (
+	_ T = iota
+	T1
+	T2
+)
+
+// Package constants.
+const (
+	_ int = iota
+	I1
+	I2
+)
+
+// Blanks not in doc output:
+
+// S has a padding field.
+type S struct {
+	H uint32
+	_ uint8
+	A uint8
+}
+
+func _() {}
+
+type _ T
+
+var _ = T(55)