Adding upstream version 0.0~git20250520.a1d9079+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

bind/testdata/testpkg/secondpkg/secondpkg.go

@@ -0,0 +1,44 @@
+// 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 secondpkg is imported by bind tests that verify
+// that a bound package can reference another bound package.
+package secondpkg
+
+type (
+	Ser interface {
+		S(_ *S)
+	}
+
+	IF interface {
+		F()
+	}
+
+	I interface {
+		F(i int) int
+	}
+
+	S struct{}
+)
+
+func (_ *S) F(i int) int {
+	return i
+}
+
+const HelloString = "secondpkg string"
+
+func Hello() string {
+	return HelloString
+}
+
+type Secondpkg struct {
+	V string
+}
+
+func (_ *Secondpkg) M() {
+}
+
+func NewSecondpkg() *Secondpkg {
+	return new(Secondpkg)
+}