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-rw-r--r--lib/CodeGen/SelectionDAG/DAGCombiner.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 066952db2f..31cbdb9c78 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -29,6 +29,7 @@
#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
#include <algorithm>
+#include <set>
using namespace llvm;
STATISTIC(NodesCombined , "Number of dag nodes combined");