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-rw-r--r--lib/CodeGen/SelectionDAG/TargetLowering.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index d91c13cd6b..1300df8cba 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -28,6 +28,7 @@
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
+#include <cctype>
using namespace llvm;
namespace llvm {