--- libmalloc/libmalloc-792.41.1/tests/posix_memalign_test.c
+++ /dev/null
@@ -1,224 +0,0 @@
-//
-//  posix_memalign_test.c
-//  libmalloc
-//
-//  test allocating and freeing all sizes and alignments
-//
-
-#include <darwintest.h>
-#include <errno.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "../src/platform.h"
-
-#if !MALLOC_TARGET_EXCLAVES
-#include <mach/mach.h>
-#endif // !MALLOC_TARGET_EXCLAVES
-
-#include <malloc/malloc.h>
-#include <malloc_private.h>
-
-
-union memtag_ptr {
-	uint64_t value;
-
-	struct {
-		uint64_t ptr_bits : 56;
-		uint64_t ptr_tag : 4;
-		uint64_t ptr_upper : 4;
-	};
-};
-
-static uint8_t *
-memtag_strip_address(uint8_t *tagged_addr)
-{
-	union memtag_ptr p = {
-			.value = (uint64_t)tagged_addr,
-	};
-	return (uint8_t *)p.ptr_bits;
-}
-
-T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
-
-#if !MALLOC_TARGET_EXCLAVES
-struct t_recorder_ctx {
-	void *ptr;
-	size_t size;
-	bool found;
-};
-
-static void
-pointer_recorder(task_t task, void *context, unsigned type, vm_range_t *ranges,
-		unsigned count)
-{
-	if (!(type & MALLOC_PTR_IN_USE_RANGE_TYPE)) {
-		return;
-	}
-
-	struct t_recorder_ctx *ctx = context;
-	vm_address_t ptr_addr = (vm_address_t)(ctx->ptr);
-	vm_size_t ptr_size = (vm_size_t)(ctx->size);
-	for (unsigned i = 0; i < count; i++) {
-		vm_range_t *range = &ranges[i];
-		if (range->address <= ptr_addr &&
-				range->address + range->size > ptr_addr) {
-			T_QUIET; T_EXPECT_FALSE(ctx->found, "first time");
-
-			vm_size_t offset = ptr_addr - range->address;
-			T_QUIET; T_EXPECT_GE(range->size - offset, ctx->size,
-					"allocation must be large enough");
-
-			ctx->found = true;
-		}
-	}
-}
-
-static void
-check_pointer_is_enumerated(void *ptr, size_t size)
-{
-	// Under MTE, `ptr` is tagged, but the enumerator reports canonical addresses.
-	ptr = memtag_strip_address(ptr);
-
-	vm_address_t *zones;
-	unsigned zone_count;
-	kern_return_t kr;
-
-	kr = malloc_get_all_zones(mach_task_self(), /*reader=*/NULL, &zones,
-			&zone_count);
-	T_QUIET; T_ASSERT_EQ(kr, KERN_SUCCESS,
-			"malloc_get_all_zones(mach_task_self(), ...)");
-
-	struct t_recorder_ctx ctx = {
-		.ptr = ptr,
-		.size = size,
-		.found = false,
-	};
-
-	for (unsigned i = 0; i < zone_count; i++) {
-		malloc_zone_t *zone = (malloc_zone_t *)zones[i];
-		zone->introspect->enumerator(mach_task_self(), &ctx,
-				MALLOC_PTR_IN_USE_RANGE_TYPE, (vm_address_t)zone, NULL,
-				pointer_recorder);
-		if (ctx.found) {
-			return;
-		}
-	}
-	T_QUIET; T_FAIL("pointer %p not enumerated in any zone", ptr);
-}
-#endif // !MALLOC_TARGET_EXCLAVES
-
-static inline void *
-t_posix_memalign(size_t alignment, size_t size, bool scribble, bool enumerate)
-{
-	void *ptr = NULL;
-	int result = posix_memalign(&ptr, alignment, size);
-	size_t allocated_size = malloc_size(ptr);
-
-	T_QUIET; T_ASSERT_NOTNULL(ptr, "allocation");
-	T_QUIET; T_ASSERT_EQ((intptr_t)ptr % alignment, 0ul, "pointer should be properly aligned");
-	T_QUIET; T_EXPECT_LE(size, allocated_size, "allocation size");
-
-	T_QUIET; T_EXPECT_TRUE(malloc_claimed_address(ptr), "should be claimed");
-#if !MALLOC_TARGET_EXCLAVES
-	if (enumerate) {
-		check_pointer_is_enumerated(ptr, size);
-	}
-#endif // !MALLOC_TARGET_EXCLAVES
-
-	if (scribble) {
-		// Scribble memory pointed to by `ptr` to make sure we're not using that
-		// memory for control structures. This also makes sure the memory can be
-		// written to.
-		const uint64_t pat = 0xdeadbeefcafebabeull;
-		memset_pattern8(ptr, &pat, size);
-	}
-	return ptr;
-}
-
-T_DECL(posix_memalign_free, "posix_memalign all power of two alignments <= 4096",
-	   T_META_TAG_VM_PREFERRED, T_META_TAG_ALL_ALLOCATORS)
-{
-	for (size_t alignment = sizeof(void*); alignment < 4096; alignment *= 2) {
-		bool enumerate = true;
-		// test several sizes
-		for (size_t size = alignment; size <= 256*alignment; size += 8) {
-			void* ptr = t_posix_memalign(alignment, size, true, enumerate);
-			free(ptr);
-			enumerate = false;
-		}
-	}
-}
-
-T_DECL(posix_memalign_alignment_not_a_power_of_2,
-	   "posix_memalign should return EINVAL if alignment is not a power of 2",
-	   T_META_TAG_VM_PREFERRED, T_META_TAG_ALL_ALLOCATORS)
-{
-	{
-		void *ptr = NULL;
-		int result = posix_memalign(&ptr, 24, 48); // alignment is even, but not a power of two
-		T_QUIET; T_ASSERT_NULL(ptr, "ptr should be null");
-		T_QUIET; T_ASSERT_EQ(result, EINVAL, "posix_memalign should return EINVAL");
-	}
-
-	{
-		void *ptr = NULL;
-		int result = posix_memalign(&ptr, 23, 46); // alignment is odd, and not a power of two
-		T_QUIET; T_ASSERT_NULL(ptr, "ptr should be null");
-		T_QUIET; T_ASSERT_EQ(result, EINVAL, "posix_memalign should return EINVAL");
-	}
-}
-
-T_DECL(posix_memalign_alignment_not_a_multiple_of_voidstar,
-	   "posix_memalign should return EINVAL if alignment is not a multiple of sizeof(void*)",
-	   T_META_TAG_VM_PREFERRED, T_META_TAG_ALL_ALLOCATORS)
-{
-	void *ptr = NULL;
-	const size_t alignment = sizeof(void*)+1;
-	int result = posix_memalign(&ptr, alignment, alignment * 2);
-	T_QUIET; T_ASSERT_NULL(ptr, "ptr should be null");
-	T_QUIET; T_ASSERT_EQ(result, EINVAL, "posix_memalign should return EINVAL");
-}
-
-T_DECL(posix_memalign_allocate_size_0,
-       "posix_memalign should return something that can be passed to free() when size is 0",
-	   T_META_TAG_VM_PREFERRED, T_META_TAG_ALL_ALLOCATORS)
-{
-	void *ptr = NULL;
-	int result = posix_memalign(&ptr, 8, 0);
-	T_QUIET; T_ASSERT_EQ(result, 0, "posix_memalign should not return an error when asked for size 0");
-	free(ptr);
-}
-
-#if defined(__LP64__)
-T_DECL(posix_memalign_large, "posix_memalign large power of two alignments",
-		T_META_TAG_VM_NOT_PREFERRED, T_META_TAG_ALL_ALLOCATORS)
-{
-	// 64GB on macOS, 64MB on embedded
-	uint64_t max_alignment = TARGET_OS_OSX ? UINT64_C(68719476736) : UINT64_C(67108864);
-	for (size_t alignment = sizeof(void*); alignment <= max_alignment; alignment *= 2) {
-		// don't scribble - we don't want to actually touch that many pages, we just
-		// verify that the allocated pointer looks reasonable
-		void* ptr = t_posix_memalign(alignment, alignment, false, true);
-		free(ptr);
-	}
-	T_END;
-}
-#endif // __LP64__
-
-T_DECL(posix_memalign_single_page_large,
-		"Allocate tiny blocks with large alignment",
-		T_META_TAG_VM_PREFERRED, T_META_TAG_XZONE_ONLY)
-{
-	void *ptr1 = t_posix_memalign(32768, 1, false, true);
-	T_ASSERT_NOTNULL(ptr1, "Allocated aligned ptr %p", ptr1);
-	void *ptr2 = t_posix_memalign(16*1024, 48 * 1024, false, true);
-	T_ASSERT_NOTNULL(ptr2, "Allocated aligned ptr %p", ptr2);
-	void *ptr3 = t_posix_memalign(32768, 1, false, true);
-	T_ASSERT_NOTNULL(ptr3, "Allocated aligned ptr %p", ptr3);
-
-	free(ptr1);
-	free(ptr2);
-	free(ptr3);
-}