go source for verification 2026-05-22

test/fixedbugs/issue24547.go

@@ -0,0 +1,46 @@
+// run
+
+// Copyright 2018 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.
+
+// When computing method sets with shadowed methods, make sure we
+// compute whether a method promotion involved a pointer traversal
+// based on the promoted method, not the shadowed method.
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+)
+
+type mystruct struct {
+	f int
+}
+
+func (t mystruct) String() string {
+	return "FAIL"
+}
+
+func main() {
+	type deep struct {
+		mystruct
+	}
+	s := struct {
+		deep
+		*bytes.Buffer
+	}{
+		deep{},
+		bytes.NewBufferString("ok"),
+	}
+
+	if got := s.String(); got != "ok" {
+		panic(got)
+	}
+
+	var i fmt.Stringer = s
+	if got := i.String(); got != "ok" {
+		panic(got)
+	}
+}