--- libmalloc/libmalloc-474.0.13/tests/xctests/sanitizer_tests.m
+++ /dev/null
@@ -1,143 +0,0 @@
-#import "internal.h"
-
-#if CONFIG_SANITIZER
-
-#import <dlfcn.h>
-#import <XCTest/XCTest.h>
-
-#define XCTAssertNotNull(ptr) XCTAssertNotEqual(ptr, NULL)
-
-@interface sanitizer_tests : XCTestCase {
-@private
-	malloc_zone_t *szone;
-}
-@end
-
-@implementation sanitizer_tests
-
-static bool did_allocate = false, did_deallocate = false, did_internal = false;
-static void heap_allocate(void *ptr, size_t leftrz, size_t alloc, size_t rightrz) {
-	did_allocate = true;
-}
-static void heap_deallocate(void *ptr, size_t sz) {
-	did_deallocate = true;
-}
-static void heap_internal(void *ptr, size_t sz) {
-	did_internal = true;
-}
-
-#define REDZONE_SIZE 16
-#define STR(x) XSTR(x)
-#define XSTR(x) #x
-
-- (void)setUp {
-	static struct malloc_sanitizer_poison sanitizer_funcs = {
-		.heap_allocate_poison = heap_allocate,
-		.heap_deallocate_poison = heap_deallocate,
-		.heap_internal_poison = heap_internal,
-	};
-
-	setenv("MallocSanitizerRedzoneSize", STR(REDZONE_SIZE), 1);
-	malloc_sanitizer_set_functions(&sanitizer_funcs);
-	malloc_zone_t *szone = create_scalable_zone(0, 0);
-	self->szone = sanitizer_create_zone(szone);
-}
-
-static void *
-memory_reader(task_t task, vm_address_t address, size_t size)
-{
-	void *p = malloc(size);
-	memcpy(p, address, size);
-	return p;
-}
-
-// Exported so that the symbol name isn't stripped and can be looked up via dladdr.
-MALLOC_EXPORT MALLOC_NOINLINE
-void *
-_sanitizer_test_allocationFunction(malloc_zone_t *szone, size_t size) __attribute__((disable_tail_calls)) {
-	void *p = malloc_zone_malloc(szone, size);
-	return p;
-}
-
-// Exported so that the symbol name isn't stripped and can be looked up via dladdr.
-MALLOC_EXPORT MALLOC_NOINLINE
-void
-_sanitizer_test_deallocationFunction(malloc_zone_t *szone, void *p) __attribute__((disable_tail_calls)) {
-	malloc_zone_free(szone, p);
-	return;
-}
-
-- (void)testStacktraces {
-	void *p = _sanitizer_test_allocationFunction(szone, 32);
-	XCTAssertNotNull(p);
-	_sanitizer_test_deallocationFunction(szone, p);
-
-	sanitizer_report_t report = {};
-	kern_return_t ret = sanitizer_diagnose_fault_from_crash_reporter(p, &report, mach_task_self(), szone, memory_reader);
-	XCTAssertEqual(ret, KERN_SUCCESS);
-
-	XCTAssertEqual(report.fault_address, (uintptr_t)p);
-	XCTAssertEqual(report.nearest_allocation, (uintptr_t)p);
-	XCTAssertGreaterThanOrEqual(report.allocation_size, 32);
-
-	bool allocSiteFrameFound = false;
-	for (int i = 0; i < report.alloc_trace.num_frames; i++) {
-		Dl_info info = {};
-		dladdr(report.alloc_trace.frames[i], &info);
-		NSLog(@"frame[%d] = %s", i, info.dli_sname);
-		if ([@(info.dli_sname) isEqualTo:@"_sanitizer_test_allocationFunction"]) {
-			allocSiteFrameFound = true;
-			break;
-		}
-	}
-	XCTAssertTrue(allocSiteFrameFound);
-
-	bool deallocSiteFrameFound = false;
-	for (int i = 0; i < report.dealloc_trace.num_frames; i++) {
-		Dl_info info = {};
-		dladdr(report.dealloc_trace.frames[i], &info);
-		NSLog(@"frame[%d] = %s", i, info.dli_sname);
-		if ([@(info.dli_sname) isEqualTo:@"_sanitizer_test_deallocationFunction"]) {
-			deallocSiteFrameFound = true;
-			break;
-		}
-	}
-	XCTAssertTrue(deallocSiteFrameFound);
-}
-
-- (void)testPoisonAllocation {
-	XCTAssertFalse(did_allocate);
-	XCTAssertFalse(did_deallocate);
-
-	const size_t alloc_sz = 1;
-	void *p = _sanitizer_test_allocationFunction(szone, alloc_sz);
-	XCTAssertNotNull(p);
-
-	XCTAssertTrue(did_allocate);
-
-	size_t sz = szone->size(szone, p);
-	XCTAssertEqual(sz, alloc_sz);
-
-	_sanitizer_test_deallocationFunction(szone, p);
-	XCTAssertTrue(did_deallocate);
-}
-
-- (void)testBadPoisonAllocation {
-	void *p = _sanitizer_test_allocationFunction(szone, SIZE_MAX - (REDZONE_SIZE - 1));
-	XCTAssertEqual(p, NULL);
-}
-
-- (void)testInternalPoison {
-	char dummy[16];
-
-	XCTAssertFalse(did_internal);
-	const struct malloc_sanitizer_poison *funcs = malloc_sanitizer_get_functions();
-	XCTAssertNotNull(funcs);
-	XCTAssertNotNull(funcs->heap_internal_poison);
-	funcs->heap_internal_poison(dummy, sizeof(dummy));
-	XCTAssertTrue(did_internal);
-}
-
-@end
-
-#endif // CONFIG_SANITIZER