Fix r213824 on windows

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213866 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/unittests/IR/UseTest.cpp b/unittests/IR/UseTest.cpp
index 6e58bd2293c3e137566b826827a9851ee8455439..edfef63a377bd88cee6fad0280035c366891aad6 100644 (file)
--- a/unittests/IR/UseTest.cpp
+++ b/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 {