From 53a420fba21cf1644972b34dcd811a43cdb8368d Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 2 Jan 2017 19:18:58 +0000
Subject: Vendor import of libc++ trunk r290819:
 https://llvm.org/svn/llvm-project/libcxx/trunk@290819

---
 src/algorithm.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/algorithm.cpp')

diff --git a/src/algorithm.cpp b/src/algorithm.cpp
index e9752b0653e03..f036eb7abe1c5 100644
--- a/src/algorithm.cpp
+++ b/src/algorithm.cpp
@@ -48,7 +48,7 @@ template bool __insertion_sort_incomplete<__less<long double>&, long double*>(lo
 template unsigned __sort5<__less<long double>&, long double*>(long double*, long double*, long double*, long double*, long double*, __less<long double>&);
 
 #ifndef _LIBCPP_HAS_NO_THREADS
-static __libcpp_mutex_t __rs_mut = _LIBCPP_MUTEX_INITIALIZER;
+_LIBCPP_SAFE_STATIC static __libcpp_mutex_t __rs_mut = _LIBCPP_MUTEX_INITIALIZER;
 #endif
 unsigned __rs_default::__c_ = 0;
 
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