Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/malloc_zone-protected.cc

@@ -0,0 +1,20 @@
+// Make sure the zones created by malloc_create_zone() are write-protected.
+#include <malloc/malloc.h>
+#include <stdio.h>
+
+// RUN: %clangxx_asan %s -o %t
+// RUN: not %run %t 2>&1 | FileCheck %s
+
+
+void *pwn(malloc_zone_t *unused_zone, size_t unused_size) {
+  printf("PWNED\n");
+  return NULL;
+}
+
+int main() {
+  malloc_zone_t *zone = malloc_create_zone(0, 0);
+  zone->malloc = pwn;
+  void *v = malloc_zone_malloc(zone, 1);
+  // CHECK-NOT: PWNED
+  return 0;
+}