go escape_selfassign 源码
golang escape_selfassign 代码
文件路径：/test/escape_selfassign.go
// errorcheck -0 -m -l
// Copyright 2019 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 escape analysis for self assignments.
package escape
type S struct {
i int
pi *int
}
var sink S
func f(p *S) { // ERROR "leaking param: p"
p.pi = &p.i
sink = *p
}
// BAD: "leaking param: p" is too conservative
func g(p *S) { // ERROR "leaking param: p"
p.pi = &p.i
}
func h() {
var s S // ERROR "moved to heap: s"
g(&s)
sink = s
}
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