/usr/share/go-1.8/test/fixedbugs/bug099.go is in golang-1.8-src 1.8.3-2ubuntu1.
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 | // run
// Copyright 2009 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
// Interface
type I interface { F() int }
// Implements interface
type S struct { }
func (s *S) F() int { return 1 }
// Allocates S but returns I
// Arg is unused but important:
// if you take it out (and the 0s below)
// then the bug goes away.
func NewI(i int) I {
return new(S)
}
// Uses interface method.
func Use(x I) {
x.F()
}
func main() {
i := NewI(0);
Use(i);
// Again, without temporary
// Crashes because x.F is 0.
Use(NewI(0));
}
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