From 27ef53a58e99c92fbcea56a9fa99f9a4895e0d03 Mon Sep 17 00:00:00 2001
From: Vincent PALANCHER <vincent.palancher@gmail.com>
Date: Wed, 21 Jan 2026 11:04:30 +0100
Subject: [PATCH] Remove use of `std::aligned_storage`

The type has been deprecated in C++23, which may cause warnings in
client code using this header.
---
 include/behaviortree_cpp/contrib/any.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/behaviortree_cpp/contrib/any.hpp b/include/behaviortree_cpp/contrib/any.hpp
index acc1321a2..910aadd90 100644
--- a/include/behaviortree_cpp/contrib/any.hpp
+++ b/include/behaviortree_cpp/contrib/any.hpp
@@ -21,6 +21,7 @@
 #include <stdexcept>
 #include <utility>
 #include <new>
+#include <array>
 
 #if defined(PARTICLE)
 #if !defined(__cpp_exceptions) && !defined(ANY_IMPL_NO_EXCEPTIONS) && !defined(ANY_IMPL_EXCEPTIONS)
@@ -211,7 +212,7 @@ class any final
 
     union storage_union
     {
-        using stack_storage_t = typename std::aligned_storage<2 * sizeof(void*), std::alignment_of<void*>::value>::type;
+        struct alignas(void*) stack_storage_t : std::array<std::byte, 2 * sizeof(void*)> {};
 
         void*               dynamic;
         stack_storage_t     stack;      // 2 words for e.g. shared_ptr