X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FStatistic.cpp;fp=lib%2FSupport%2FStatistic.cpp;h=9d075736b3035fa2ddfe5a4da9b9c33f33cc29d2;hb=4721e55a0c2e749cba4f91aa584508284ff67d2c;hp=56c3b0f5659fa716e7c43cc567b9ac4d5f4bdc7d;hpb=59a451775954483bc4db825d8f9eb660b7c96a06;p=oota-llvm.git

diff --git a/lib/Support/Statistic.cpp b/lib/Support/Statistic.cpp
index 56c3b0f5659..9d075736b30 100644
--- a/lib/Support/Statistic.cpp
+++ b/lib/Support/Statistic.cpp
@@ -76,7 +76,7 @@ void Statistic::RegisterStatistic() {
       StatInfo->addStatistic(this);
 
     TsanHappensBefore(this);
-    sys::MemoryFence();
+    std::atomic_thread_fence(std::memory_order_seq_cst);
     // Remember we have been registered.
     TsanIgnoreWritesBegin();
     Initialized = true;