From 51102d2e59973fde2e8a978ad884255bef3b9f60 Mon Sep 17 00:00:00 2001
From: Kirill Kotliar <k.kotliar@vkteam.ru>
Date: Thu, 6 Aug 2026 17:28:38 +0300
Subject: [PATCH] add allocator traits

---
 runtime-common/core/allocator/platform-allocator.h | 4 ++++
 runtime-common/core/allocator/script-allocator.h   | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/runtime-common/core/allocator/platform-allocator.h b/runtime-common/core/allocator/platform-allocator.h
index 6ae1134683..45b879eef0 100644
--- a/runtime-common/core/allocator/platform-allocator.h
+++ b/runtime-common/core/allocator/platform-allocator.h
@@ -5,6 +5,7 @@
 #pragma once
 
 #include <cstddef>
+#include <type_traits>
 
 #include "runtime-common/core/allocator/runtime-allocator.h"
 
@@ -13,6 +14,9 @@ namespace kphp::memory {
 template<typename T>
 struct platform_allocator {
   using value_type = T;
+  using propagate_on_container_copy_assignment = std::true_type;
+  using propagate_on_container_move_assignment = std::true_type;
+  using is_always_equal = std::true_type;
 
   platform_allocator() noexcept = default;
 
diff --git a/runtime-common/core/allocator/script-allocator.h b/runtime-common/core/allocator/script-allocator.h
index 6cc50ca2f1..e3d5e4aeec 100644
--- a/runtime-common/core/allocator/script-allocator.h
+++ b/runtime-common/core/allocator/script-allocator.h
@@ -5,6 +5,7 @@
 #pragma once
 
 #include <cstddef>
+#include <type_traits>
 
 #include "runtime-common/core/allocator/runtime-allocator.h"
 
@@ -15,6 +16,9 @@ namespace memory {
 template<typename T>
 struct script_allocator {
   using value_type = T;
+  using propagate_on_container_copy_assignment = std::true_type;
+  using propagate_on_container_move_assignment = std::true_type;
+  using is_always_equal = std::true_type;
 
   script_allocator() noexcept = default;