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-rw-r--r--llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp b/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp
index a23b9ef..a2c1ddf 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>