File: issue20250.go

package info (click to toggle)
golang-1.17 1.17.5-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 124,288 kB
  • sloc: asm: 113,542; ansic: 6,747; sh: 1,921; perl: 1,101; javascript: 601; python: 361; makefile: 109; cpp: 39; f90: 8; awk: 7; objc: 4
file content (24 lines) | stat: -rw-r--r-- 690 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
// 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 \{\}$"
	func() {          // ERROR "live at entry to f.func1: a &e"
		e = a.s // ERROR "live at call to convT2E: &e" "stack object a T$"
	}()
	// Before the fix, both a and e were live at the previous line.
	_ = e
}