--- a/include/llvm/Demangle/MicrosoftDemangleNodes.h
+++ b/include/llvm/Demangle/MicrosoftDemangleNodes.h
@@ -16,6 +16,8 @@
#include "llvm/Demangle/DemangleConfig.h"
#include "llvm/Demangle/StringView.h"
#include <array>
+#include <cstdint>
+#include <string>
namespace llvm {
namespace itanium_demangle {