From d62239b5f6b47e34a392cc3c884eab1f3770f2c4 Mon Sep 17 00:00:00 2001
From: Dmitriy Vyukov <dvyukov@google.com>
Date: Mon, 18 Feb 2013 15:46:36 +0400
Subject: [PATCH] runtime/debug: make TestFreeOSMemory repeatable Fixes #4835.

R=golang-dev, fullung
CC=golang-dev
https://golang.org/cl/7319050
---
 src/pkg/runtime/debug/garbage_test.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/pkg/runtime/debug/garbage_test.go b/src/pkg/runtime/debug/garbage_test.go
index b8e2d622a6..ba536c746f 100644
--- a/src/pkg/runtime/debug/garbage_test.go
+++ b/src/pkg/runtime/debug/garbage_test.go
@@ -71,11 +71,12 @@ func TestReadGCStats(t *testing.T) {
 	}
 }
 
-var big = make([]byte, 1<<20)
+var big []byte
 
 func TestFreeOSMemory(t *testing.T) {
 	var ms1, ms2 runtime.MemStats
 
+	big = make([]byte, 1<<20)
 	big = nil
 	runtime.GC()
 	runtime.ReadMemStats(&ms1)