/usr/share/go-1.6/test/fixedbugs/issue13171.go is in golang-1.6-src 1.6.1-0ubuntu1.
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 | // run
// Copyright 2015 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
// Make sure the compiler knows that DUFFCOPY clobbers X0
import "fmt"
//go:noinline
func f(x float64) float64 {
// y is allocated to X0
y := x + 5
// marshals z before y. Marshalling z
// calls DUFFCOPY.
return g(z, y)
}
//go:noinline
func g(b [64]byte, y float64) float64 {
return y
}
var z [64]byte
func main() {
got := f(5)
if got != 10 {
panic(fmt.Sprintf("want 10, got %f", got))
}
}
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