--- xnu/xnu-12377.101.15/tests/intrusive_shared_ptr_src/cast.const.cpp
+++ /dev/null
@@ -1,67 +0,0 @@
-//
-// Tests for
-//  template<typename To, typename From, typename R>
-//  intrusive_shared_ptr<To, R> const_pointer_cast(intrusive_shared_ptr<From, R> const& ptr) noexcept;
-//
-//  template<typename To, typename From, typename R>
-//  intrusive_shared_ptr<To, R> const_pointer_cast(intrusive_shared_ptr<From, R>&& ptr) noexcept
-//
-
-#include <libkern/c++/intrusive_shared_ptr.h>
-#include <utility>
-#include <darwintest.h>
-#include "test_policy.h"
-
-struct T { int i; };
-
-template <typename Stored, typename From, typename To>
-static void
-tests()
-{
-	Stored obj{3};
-
-	{
-		tracked_shared_ptr<From> const from(&obj, libkern::no_retain);
-		tracking_policy::reset();
-		tracked_shared_ptr<To> to = libkern::const_pointer_cast<To>(from);
-		CHECK(tracking_policy::retains == 1);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(to.get() == const_cast<To*>(&obj));
-		CHECK(from.get() == &obj);
-	}
-	{
-		tracked_shared_ptr<From> from(&obj, libkern::no_retain);
-		tracking_policy::reset();
-		tracked_shared_ptr<To> to = libkern::const_pointer_cast<To>(std::move(from));
-		CHECK(tracking_policy::retains == 0);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(to.get() == const_cast<To*>(&obj));
-		CHECK(from.get() == nullptr);
-	}
-
-	// Test `const_pointer_cast`ing a null pointer
-	{
-		tracked_shared_ptr<From> const from = nullptr;
-		tracking_policy::reset();
-		tracked_shared_ptr<To> to = libkern::const_pointer_cast<To>(from);
-		CHECK(tracking_policy::retains == 0);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(to.get() == nullptr);
-		CHECK(from.get() == nullptr);
-	}
-	{
-		tracked_shared_ptr<From> from = nullptr;
-		tracking_policy::reset();
-		tracked_shared_ptr<To> to = libkern::const_pointer_cast<To>(std::move(from));
-		CHECK(tracking_policy::retains == 0);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(to.get() == nullptr);
-		CHECK(from.get() == nullptr);
-	}
-}
-
-T_DECL(cast_const, "intrusive_shared_ptr.cast.const", T_META_TAG_VM_PREFERRED) {
-	tests</*stored*/ T, /*from*/ T, /*to*/ T>();
-	tests</*stored*/ T, /*from*/ T, /*to*/ T const>();
-	tests</*stored*/ T, /*from*/ T const, /*to*/ T>();
-}