--- xnu/xnu-12377.101.15/tests/intrusive_shared_ptr_src/cast.static.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-//
-// Tests for
-//  template<typename To, typename From, typename R>
-//  intrusive_shared_ptr<To, R> static_pointer_cast(intrusive_shared_ptr<From, R> const& ptr) noexcept;
-//
-//  template<typename To, typename From, typename R>
-//  intrusive_shared_ptr<To, R> static_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 Base { int i; };
-struct Derived : Base { };
-
-struct Base1 { int i; };
-struct Base2 { long l; };
-struct DerivedMultiple : Base1, Base2 {
-	DerivedMultiple(int i) : Base1{i}, Base2{i + 10}
-	{
-	}
-};
-
-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::static_pointer_cast<To>(from);
-		CHECK(tracking_policy::retains == 1);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(to.get() == static_cast<To const*>(&obj));
-		CHECK(from.get() == &obj);
-	}
-	{
-		tracked_shared_ptr<From> from(&obj, libkern::no_retain);
-		tracking_policy::reset();
-		tracked_shared_ptr<To> to = libkern::static_pointer_cast<To>(std::move(from));
-		CHECK(tracking_policy::retains == 0);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(to.get() == static_cast<To const*>(&obj));
-		CHECK(from.get() == nullptr);
-	}
-
-	// Test `static_pointer_cast`ing a null pointer
-	{
-		tracked_shared_ptr<From> const from = nullptr;
-		tracking_policy::reset();
-		tracked_shared_ptr<To> to = libkern::static_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::static_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_static, "intrusive_shared_ptr.cast.static", T_META_TAG_VM_PREFERRED) {
-	tests</*stored*/ Derived, /*from*/ Derived, /*to*/ Base>();
-	tests</*stored*/ Derived, /*from*/ Derived const, /*to*/ Base const>();
-
-	tests</*stored*/ DerivedMultiple, /*from*/ DerivedMultiple, /*to*/ Base1>();
-	tests</*stored*/ DerivedMultiple, /*from*/ DerivedMultiple const, /*to*/ Base1 const>();
-}