From d2ecb8937c02d72779c1ee74d85973ffda9d01c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ion=20Gazta=C3=B1aga?= <igaztanaga@gmail.com>
Date: Tue, 13 Jan 2026 23:39:37 +0100
Subject: [PATCH] Use allocate_aligned in cached implementation and the
 allocator_v1 testing utility to support overaligned types.

---
 .../boost/interprocess/allocators/detail/allocator_common.hpp | 3 ++-
 test/allocator_v1.hpp                                         | 4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/include/boost/interprocess/allocators/detail/allocator_common.hpp b/include/boost/interprocess/allocators/detail/allocator_common.hpp
index 62dc6b7..54cbe5c 100644
--- a/include/boost/interprocess/allocators/detail/allocator_common.hpp
+++ b/include/boost/interprocess/allocators/detail/allocator_common.hpp
@@ -739,7 +739,8 @@ class cached_allocator_impl
          ret = m_cache.cached_allocation();
       }
       else{
-         ret = this->get_segment_manager()->allocate(count*sizeof(T));
+         ret = this->get_segment_manager()->allocate_aligned
+                  (count*sizeof(T), boost::container::dtl::alignment_of<T>::value);
       }
       return pointer(static_cast<T*>(ret));
    }
diff --git a/test/allocator_v1.hpp b/test/allocator_v1.hpp
index bf87a67..6bf7a3b 100644
--- a/test/allocator_v1.hpp
+++ b/test/allocator_v1.hpp
@@ -118,7 +118,9 @@ class allocator_v1
       if(size_overflows<sizeof(T)>(count)){
          throw bad_alloc();
       }
-      (void)hint; return pointer(static_cast<T*>(mp_mngr->allocate(count*sizeof(T))));
+      (void)hint;
+      return pointer(static_cast<T*>
+         (mp_mngr->allocate_aligned(count*sizeof(T), , boost::container::dtl::alignment_of<T>::value)));
    }
 
    //!Deallocates memory previously allocated. Never throws