Initial commit: Go 1.23 release state

test/live2.go

@@ -0,0 +1,41 @@
+// errorcheck -0 -live -wb=0
+
+// 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.
+
+// liveness tests with inlining ENABLED
+// see also live.go.
+
+package main
+
+// issue 8142: lost 'addrtaken' bit on inlined variables.
+
+func printnl()
+
+//go:noescape
+func useT40(*T40)
+
+type T40 struct {
+	m map[int]int
+}
+
+func newT40() *T40 {
+	ret := T40{}
+	ret.m = make(map[int]int, 42) // ERROR "live at call to makemap: &ret$"
+	return &ret
+}
+
+func bad40() {
+	t := newT40() // ERROR "stack object ret T40$" "stack object .autotmp_[0-9]+ runtime.hmap$"
+	printnl()     // ERROR "live at call to printnl: ret$"
+	useT40(t)
+}
+
+func good40() {
+	ret := T40{}                  // ERROR "stack object ret T40$"
+	ret.m = make(map[int]int, 42) // ERROR "stack object .autotmp_[0-9]+ runtime.hmap$"
+	t := &ret
+	printnl() // ERROR "live at call to printnl: ret$"
+	useT40(t)
+}