From c78cddd7de4c7f5a9d071b70e0452b11e3d55a7a Mon Sep 17 00:00:00 2001
From: Robert Griesemer <gri@golang.org>
Date: Thu, 14 Apr 2011 16:33:29 -0700
Subject: [PATCH] gofmt: gofmt test harness bug fix

Don't use the rewrite rule from a previous test
for the next test if there is no rewrite rule
provided.

R=r, r2
CC=golang-dev
https://golang.org/cl/4419045
---
 src/cmd/gofmt/rewrite.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cmd/gofmt/rewrite.go b/src/cmd/gofmt/rewrite.go
index 631c513310c..47d1ac46ce0 100644
--- a/src/cmd/gofmt/rewrite.go
+++ b/src/cmd/gofmt/rewrite.go
@@ -19,6 +19,7 @@ import (
 
 func initRewrite() {
 	if *rewriteRule == "" {
+		rewrite = nil // disable any previous rewrite
 		return
 	}
 	f := strings.Split(*rewriteRule, "->", -1)