Fix r213824 on windows

llvm-svn: 213866

diff --git a/llvm/unittests/IR/UseTest.cpp b/llvm/unittests/IR/UseTest.cpp
index 6e58bd2..edfef63 100644 (file)
--- a/llvm/unittests/IR/UseTest.cpp
+++ b/llvm/unittests/IR/UseTest.cpp
@@ -15,6 +15,8 @@
 #include "llvm/IR/Instructions.h"
 #include "llvm/Support/SourceMgr.h"
 #include "gtest/gtest.h"
+#include <string>
+
 using namespace llvm;
 
 namespace {