/usr/share/go-1.6/test/fixedbugs/issue4518.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.
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// Copyright 2012 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 4518. In some circumstances "return F(...)"
// where F has multiple returns is miscompiled by 6g due to
// bold assumptions in componentgen.
package main
//go:noinline
func F(e interface{}) (int, int) {
return 3, 7
}
//go:noinline
func G() (int, int) {
return 3, 7
}
func bogus1(d interface{}) (int, int) {
switch {
default:
return F(d)
}
return 0, 0
}
func bogus2() (int, int) {
switch {
default:
return F(3)
}
return 0, 0
}
func bogus3(d interface{}) (int, int) {
switch {
default:
return G()
}
return 0, 0
}
func bogus4() (int, int) {
switch {
default:
return G()
}
return 0, 0
}
func check(a, b int) {
if a != 3 || b != 7 {
println(a, b)
panic("a != 3 || b != 7")
}
}
func main() {
check(bogus1(42))
check(bogus2())
}
|