From 17388a61b270a21ee711cd51e003c17d2b3bdf29 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Mon, 3 Mar 2014 18:02:34 +0000
Subject: Revert "[C++11] Replace LLVM atomics with std::atomic."

Breaks the MSVC build.
DataStream.cpp(44): error C2552: 'llvm::Statistic::Value' : non-aggregates cannot be initialized with initializer list

llvm-svn: 202731
---
 llvm/lib/Support/Statistic.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Support/Statistic.cpp')

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