From 6b898a63cd9998914b1e2633ea6fcef2198b6173 Mon Sep 17 00:00:00 2001
From: "Boyarinov, Konstantin" <konstantin.boyarinov@intel.com>
Date: Thu, 20 Feb 2025 14:34:56 +0200
Subject: [PATCH 1/2] Add LTO visibility for wait_context_vertex

---
 include/oneapi/tbb/detail/_config.h | 6 ++++++
 include/oneapi/tbb/detail/_task.h   | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/oneapi/tbb/detail/_config.h b/include/oneapi/tbb/detail/_config.h
index 854f13b568..0551db6cab 100644
--- a/include/oneapi/tbb/detail/_config.h
+++ b/include/oneapi/tbb/detail/_config.h
@@ -332,6 +332,12 @@
     #define __TBB_nodiscard
 #endif
 
+#if __clang__
+    #define __TBB_lto_visibility_public [[clang::lto_visibility_public]]
+#else
+    #define __TBB_lto_visibility_public
+#endif
+
 #define __TBB_CPP17_UNCAUGHT_EXCEPTIONS_PRESENT             (_MSC_VER >= 1900 || __GLIBCXX__ && __cpp_lib_uncaught_exceptions \
                                                             || _LIBCPP_VERSION >= 3700 && (!__TBB_MACOS_TARGET_VERSION || __TBB_MACOS_TARGET_VERSION >= 101200))
 
diff --git a/include/oneapi/tbb/detail/_task.h b/include/oneapi/tbb/detail/_task.h
index 400f9cd41c..fb0cfc01d2 100644
--- a/include/oneapi/tbb/detail/_task.h
+++ b/include/oneapi/tbb/detail/_task.h
@@ -155,7 +155,7 @@ class wait_context {
     }
 };
 
-class wait_tree_vertex_interface {
+class __TBB_lto_visibility_public wait_tree_vertex_interface {
 public:
     virtual void reserve(std::uint32_t delta = 1) = 0;
     virtual void release(std::uint32_t delta = 1) = 0;

From e70215cceff846b2cbabc3f687a757dea96f9fa2 Mon Sep 17 00:00:00 2001
From: "Boyarinov, Konstantin" <konstantin.boyarinov@intel.com>
Date: Thu, 20 Feb 2025 15:04:05 +0200
Subject: [PATCH 2/2] Fix copyright for _task.h

---
 include/oneapi/tbb/detail/_task.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/oneapi/tbb/detail/_task.h b/include/oneapi/tbb/detail/_task.h
index fb0cfc01d2..7c538a29be 100644
--- a/include/oneapi/tbb/detail/_task.h
+++ b/include/oneapi/tbb/detail/_task.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (c) 2020-2024 Intel Corporation
+    Copyright (c) 2020-2025 Intel Corporation
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.