Update to go1.25.0

test/codegen/unique.go

@@ -0,0 +1,24 @@
+// asmcheck
+
+// Copyright 2015 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 codegen
+
+import "unique"
+
+func BytesToHandle(b []byte) unique.Handle[string] {
+	// amd64:-`.*runtime\.slicebytetostring\(`
+	return unique.Make(string(b))
+}
+
+type Pair struct {
+	S1 string
+	S2 string
+}
+
+func BytesPairToHandle(b1, b2 []byte) unique.Handle[Pair] {
+	// TODO: should not copy b1 and b2.
+	return unique.Make(Pair{string(b1), string(b2)})
+}