1 files changed, 24 insertions, 0 deletions
diff --git a/lib/ubsan/ubsan_init.h b/lib/ubsan/ubsan_init.h
new file mode 100644
index 0000000000000..18356cfca6177
--- /dev/null
+++ b/lib/ubsan/ubsan_init.h
@@ -0,0 +1,24 @@
+//===-- ubsan_init.h --------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Initialization function for UBSan runtime.
+//
+//===----------------------------------------------------------------------===//
+#ifndef UBSAN_INIT_H
+#define UBSAN_INIT_H
+
+namespace __ubsan {
+
+// NOTE: This function might take a lock (if .preinit_array initialization is
+// not used). It's generally a bad idea to call it on a fast path.
+void InitIfNecessary();
+
+}  // namespace __ubsan
+
+#endif  // UBSAN_INIT_H