Initial commit: Go 1.23 release state

test/compos.go

@@ -0,0 +1,25 @@
+// run
+
+// Copyright 2009 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.
+
+// Test that returning &T{} from a function causes an allocation.
+
+package main
+
+type T struct {
+	int
+}
+
+func f() *T {
+	return &T{1}
+}
+
+func main() {
+	x := f()
+	y := f()
+	if x == y {
+		panic("not allocating & composite literals")
+	}
+}