1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/CloneModule.cpp b/llvm/lib/Transforms/Utils/CloneModule.cpp
index 57c273a0e3c5..55cda0f11e47 100644
--- a/llvm/lib/Transforms/Utils/CloneModule.cpp
+++ b/llvm/lib/Transforms/Utils/CloneModule.cpp
@@ -11,13 +11,16 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/IR/Constant.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Transforms/Utils/Cloning.h"
 #include "llvm/Transforms/Utils/ValueMapper.h"
 using namespace llvm;
 
+namespace llvm {
+class Constant;
+}
+
 static void copyComdat(GlobalObject *Dst, const GlobalObject *Src) {
   const Comdat *SC = Src->getComdat();
   if (!SC)