go issue20250 源码
golang issue20250 代码
文件路径：/test/fixedbugs/issue20250.go
// errorcheck -0 -live -l
// Copyright 2017 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.
// Issue 20250: liveness differed with concurrent compilation
// due to propagation of addrtaken to outer variables for
// closure variables.
package p
type T struct {
s [2]string
}
func f(a T) { // ERROR "live at entry to f: a"
var e interface{} // ERROR "stack object e interface \{\}$"
func() { // ERROR "live at entry to f.func1: a &e"
e = a.s // ERROR "live at call to convT: &e" "stack object a T$"
}()
// Before the fix, both a and e were live at the previous line.
_ = e
}
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