libstdc++: Add missing export for std::is_layout_compatible_v [PR120159]

libstdc++-v3/ChangeLog:

	PR libstdc++/120159
	* src/c++23/std.cc.in (is_layout_compatible_v): Export.

diff --git a/libstdc++-v3/src/c++23/std.cc.in b/libstdc++-v3/src/c++23/std.cc.in
index 73316d168c948b3df7445185c8ad9e7891e332d6..d45ae632ace3420437be51ed60c358252585176c 100644 (file)
--- a/libstdc++-v3/src/c++23/std.cc.in
+++ b/libstdc++-v3/src/c++23/std.cc.in
@@ -3114,6 +3114,7 @@ export namespace std
 #if __cpp_lib_is_layout_compatible
   using std::is_corresponding_member;
   using std::is_layout_compatible;
+  using std::is_layout_compatible_v;
 #endif
 #if __cpp_lib_is_pointer_interconvertible
   using std::is_pointer_interconvertible_base_of;