ConstantHoisting.cpp: Add <tuple> for std::tie, since r207593 removed FileSystem.h, it includes <tuple>.
llvm-svn: 207614
diff --git a/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp b/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
index 7c3a260..763d02b 100644
--- a/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
+++ b/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
@@ -43,6 +43,7 @@
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
+#include <tuple>
using namespace llvm;