From: Dmitriy Vyukov <dvyukov@google.com>
Date: Wed, 20 Feb 2013 08:34:16 +0000 (+0400)
Subject: runtime/debug: deflake TestFreeOSMemory
X-Git-Tag: go1.1rc2~951
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=e5b0bcebdb7fb78b8783c966cff871efb52bbbc8;p=gostls13.git

runtime/debug: deflake TestFreeOSMemory
This is followup to https://golang.org/cl/7319050/

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/7379043
---

diff --git a/src/pkg/runtime/debug/garbage_test.go b/src/pkg/runtime/debug/garbage_test.go
index 5fda5ca1ae..b93cfee568 100644
--- a/src/pkg/runtime/debug/garbage_test.go
+++ b/src/pkg/runtime/debug/garbage_test.go
@@ -70,12 +70,14 @@ func TestReadGCStats(t *testing.T) {
 	}
 }
 
-var big []byte
+var big = make([]byte, 1<<20)
 
 func TestFreeOSMemory(t *testing.T) {
 	var ms1, ms2 runtime.MemStats
 
-	big = make([]byte, 1<<20)
+	if big == nil {
+		t.Skip("test is not reliable when run multiple times")
+	}
 	big = nil
 	runtime.GC()
 	runtime.ReadMemStats(&ms1)