/usr/share/go-1.8/test/fixedbugs/bug474.go is in golang-1.8-src 1.8.3-2ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | // run
// Copyright 2013 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.
// Bug in method values: escape analysis was off.
package main
import "sync"
var called = false
type T struct {
once sync.Once
}
func (t *T) M() {
called = true
}
func main() {
var t T
t.once.Do(t.M)
if !called {
panic("not called")
}
}
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