go live2 源码
golang live2 代码
文件路径：/test/live2.go
// 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]+ map.hdr\[int\]int$"
printnl() // ERROR "live at call to printnl: ret$"
useT40(t)
}
func good40() {
ret := T40{} // ERROR "stack object ret T40$"
ret.m = make(map[int]int, 42) // ERROR "stack object .autotmp_[0-9]+ map.hdr\[int\]int$"
t := &ret
printnl() // ERROR "live at call to printnl: ret$"
useT40(t)
}
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