From 3b68399cc9d47f62185834ffb0d3a0a39268f92b Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Mon, 23 Jan 2023 10:00:42 +0000
Subject: [PATCH] libafl_cc fixes for clang 16 (#1010)

None constant being deprecated, it is recommended
to use the std::nullopt_t type instead.
---
 libafl_cc/src/common-llvm.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libafl_cc/src/common-llvm.h b/libafl_cc/src/common-llvm.h
index d1dacf847a..b18f178ae5 100644
--- a/libafl_cc/src/common-llvm.h
+++ b/libafl_cc/src/common-llvm.h
@@ -19,6 +19,11 @@ typedef long double max_align_t;
   #define HAVE_VECTOR_INTRINSICS 1
 #endif
 
+#if LLVM_VERSION_MAJOR >= 16
+  #include <optional>
+constexpr std::nullopt_t None = std::nullopt;
+#endif
+
 #ifdef USE_NEW_PM
   #include "llvm/Passes/PassPlugin.h"
   #include "llvm/Passes/PassBuilder.h"