| // errorcheck -0 -live -l | |
| //go:build !goexperiment.cgocheck2 | |
| // 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: &e a$" | |
| e = a.s // ERROR "live at call to convT: &e$" "stack object a T$" | |
| }() | |
| // Before the fix, both a and e were live at the previous line. | |
| _ = e | |
| } |