golang bug445 代码
文件路径：/test/fixedbugs/bug445.go
/ compile
/ 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 3765
package main
func f(x uint) uint {
m := ^(1 << x)
return uint(m)
}