From 576124a3199144c8a37aa3de9a23f25be0ba7f22 Mon Sep 17 00:00:00 2001
From: Manman Ren <manman.ren@gmail.com>
Date: Fri, 1 Mar 2019 15:25:24 +0000
Subject: [PATCH] Try to fix NetBSD buildbot breakage introduced in D57463.

By including the header file in the source.

llvm-svn: 355202
---
 llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp b/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp
index a23b9ef4a3d7..a2c1ddfd279e 100644
--- a/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp
+++ b/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp
@@ -31,6 +31,7 @@
 #include "llvm/Transforms/Instrumentation/InstrOrderFile.h"
 #include <fstream>
 #include <map>
+#include <mutex>
 #include <set>
 #include <sstream>