move ReadFile, WriteFile, and ReadDir into a separate io/ioutil package.

this breaks the dependency of package io on package bytes.

R=rsc
CC=golang-dev
http://codereview.appspot.com/163085

1 files changed, 2 insertions, 2 deletions

diff --git a/test/bench/regex-dna.go b/test/bench/regex-dna.go
index 75133dc85..2e1ab8edb 100644
--- a/test/bench/regex-dna.go
+++ b/test/bench/regex-dna.go
@@ -37,7 +37,7 @@ package main
 
 import (
 	"fmt";
-	"io";
+	"io/ioutil";
 	"os";
 	"regexp";
 	"strings";
@@ -88,7 +88,7 @@ func countMatches(pat string, bytes []byte) int {
 }
 
 func main() {
-	bytes, err := io.ReadFile("/dev/stdin");
+	bytes, err := ioutil.ReadFile("/dev/stdin");
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "can't read input: %s\n", err);
 		os.Exit(2);