1 files changed, 24 insertions, 0 deletions
diff --git a/clang/lib/Basic/DiagnosticOptions.cpp b/clang/lib/Basic/DiagnosticOptions.cpp
new file mode 100644
index 0000000000000..68571f2cf94fa
--- /dev/null
+++ b/clang/lib/Basic/DiagnosticOptions.cpp
@@ -0,0 +1,24 @@
+//===- DiagnosticOptions.cpp - C Language Family Diagnostic Handling ------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file implements the DiagnosticOptions related interfaces.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/DiagnosticOptions.h"
+#include "llvm/Support/raw_ostream.h"
+#include <type_traits>
+
+namespace clang {
+
+raw_ostream &operator<<(raw_ostream &Out, DiagnosticLevelMask M) {
+  using UT = std::underlying_type<DiagnosticLevelMask>::type;
+  return Out << static_cast<UT>(M);
+}
+
+} // namespace clang