/usr/share/go-1.10/test/fixedbugs/issue21879.go is in golang-1.10-src 1.10.1-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 30 31 32 33 34 35 36 37 | // run
// 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.
package main
import (
"runtime"
)
func main() {
println(caller().frame.Function)
// Used to erroneously print "main.call.name" instead of
// "main.main".
println(caller().name())
}
func caller() call {
var pcs [3]uintptr
n := runtime.Callers(1, pcs[:])
frames := runtime.CallersFrames(pcs[:n])
frame, _ := frames.Next()
frame, _ = frames.Next()
return call{frame: frame}
}
type call struct {
frame runtime.Frame
}
func (c call) name() string {
return c.frame.Function
}
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