[XRay] Fix build with libc++ (NFC).
-//===-- xray_interface.h ----------------------------------------*- C++ -*-===//
+//===- xray_interface.h -----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
//
// APIs for controlling XRay functionality explicitly.
//===----------------------------------------------------------------------===//
+
#ifndef XRAY_XRAY_INTERFACE_H
#define XRAY_XRAY_INTERFACE_H
+#include <cstddef>
#include <cstdint>
-#include <stddef.h>
extern "C" {
@@ -100,6 +101,6 @@ extern uintptr_t __xray_function_address(int32_t FuncId);
/// encounter errors (when there are no instrumented functions, etc.).
extern size_t __xray_max_function_id();
-}
+} // end extern "C"
-#endif
+#endif // XRAY_XRAY_INTERFACE_H
