[gcc r16-1172] libstdc++: Export std::indirect and std::polymorphic from std module [PR119152]

[Tomasz Kaminski]

https://gcc.gnu.org/g:a37f996fceef901dd2fbbdd768b1abfa1415754f

commit r16-1172-ga37f996fceef901dd2fbbdd768b1abfa1415754f
Author: Tomasz Kamiński <tkaminsk@redhat.com>
Date:   Wed Jun 4 16:39:43 2025 +0200

    libstdc++: Export std::indirect and std::polymorphic from std module [PR119152]
    
            PR libstdc++/119152
    
    libstdc++-v3/ChangeLog:
    
            * src/c++23/std.cc.in (std::indirect, pmr::indirect)
            [__cpp_lib_indirect]
            (std::polymorphic, pmr::polymorphic) [__cpp_lib_polymorphic]: Export.

Diff:
---
 libstdc++-v3/src/c++23/std.cc.in | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libstdc++-v3/src/c++23/std.cc.in b/libstdc++-v3/src/c++23/std.cc.in
index d9a265e2256b..4cd3e52c8bbf 100644
--- a/libstdc++-v3/src/c++23/std.cc.in
+++ b/libstdc++-v3/src/c++23/std.cc.in
@@ -1956,6 +1956,14 @@ export namespace std
   using std::out_ptr;
   using std::inout_ptr;
 #endif
+#if __cpp_lib_indirect
+  using std::indirect;
+  namespace pmr { using std::pmr::indirect; }
+#endif
+#if __cpp_lib_polymorphic
+  using std::polymorphic;
+  namespace pmr { using std::pmr::polymorphic; }
+#endif
 }
 
 // 20.4 <memory_resource>