gcc/testsuite/go.test/test/fixedbugs/issue6899.go

// cmpout

// 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.

package main

import "math"

func main() {
	println(math.Copysign(0, -1))
}