1 files changed, 1 insertions, 0 deletions
diff --git a/include/llvm/IR/Module.h b/include/llvm/IR/Module.h
index f458680cfe15..59331142766a 100644
--- a/include/llvm/IR/Module.h
+++ b/include/llvm/IR/Module.h
@@ -46,6 +46,7 @@ class FunctionType;
 class GVMaterializer;
 class LLVMContext;
 class MemoryBuffer;
+class Pass;
 class RandomNumberGenerator;
 template <class PtrType> class SmallPtrSetImpl;
 class StructType;