[dev.power64] code review 160200044: build: merge default into dev.power64

src/pkg/os/file_windows.go

 // 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 os
 
 import (
         "io"
         "runtime"
         "sync"
@@ skipping 575 matching lines @@
         dir := path[len(vol) : i+1]
         last := len(dir) - 1
         if last > 0 && IsPathSeparator(dir[last]) {
                 dir = dir[:last]
         }
         if dir == "" {
                 dir = "."
         }
         return vol + dir
 }