[Dominators] Add a missing include

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@308058 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/GenericDomTreeConstruction.h b/include/llvm/Support/GenericDomTreeConstruction.h
index 5ddf7e3d879133f8c49dc655724ad0b867242cf3..45c4c2300f40d5376b3978b823d6f7f74b52fdfb 100644 (file)
--- a/include/llvm/Support/GenericDomTreeConstruction.h
+++ b/include/llvm/Support/GenericDomTreeConstruction.h
@@ -34,6 +34,7 @@
 #define LLVM_SUPPORT_GENERICDOMTREECONSTRUCTION_H
 
 #include <queue>
+#include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/DepthFirstIterator.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/Debug.h"