From 7ae926274593c7965f3559d4cb698b0f40dfd8ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20Bostr=C3=B6m?= <pbos@webrtc.org>
Date: Tue, 20 Oct 2015 13:37:30 +0200
Subject: [PATCH] Suppress libyuv::TestCpuFlag races.

Two concurrently running decoders will trigger data races on cpu_info_
which is lazily initialized on reading TestCpuFlag without proper
atomics.

BUG=libyuv:508
R=kjellander@webrtc.org
TEST=Running EndToEndTest.SendsAndReceivesMultipleStreams under TSan.

Review URL: https://codereview.webrtc.org/1414093003 .

Cr-Commit-Position: refs/heads/master@{#10335}
---
 webrtc/build/sanitizers/tsan_suppressions_webrtc.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/webrtc/build/sanitizers/tsan_suppressions_webrtc.cc b/webrtc/build/sanitizers/tsan_suppressions_webrtc.cc
index b9c8f0bacc..4022160b52 100644
--- a/webrtc/build/sanitizers/tsan_suppressions_webrtc.cc
+++ b/webrtc/build/sanitizers/tsan_suppressions_webrtc.cc
@@ -82,6 +82,11 @@ char kTSanDefaultSuppressions[] =
 // https://code.google.com/p/webrtc/issues/detail?id=4719
 "race:webrtc::voe::TransmitMixer::PrepareDemux\n"
 "race:webrtc::voe::TransmitMixer::EnableStereoChannelSwapping\n"
+
+// Race between InitCpuFlags and TestCpuFlag in libyuv.
+// https://code.google.com/p/libyuv/issues/detail?id=508
+"race:libyuv::TestCpuFlag\n"
+
 // End of suppressions.
 ;  // Please keep this semicolon.