golang issue8074 代码
文件路径：/test/fixedbugs/issue8074.go
/ compile
/ Copyright 2014 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 8074.
/ was "cannot take the address of 1"
package main
func main() {
a := make([]byte, 10)
m := make(map[float64][]byte)
go copy(a, m[1.0])
}