1 files changed, 24 insertions, 0 deletions
diff --git a/test/asan/TestCases/Posix/new_array_cookie_test.cc b/test/asan/TestCases/Posix/new_array_cookie_test.cc
new file mode 100644
index 000000000000..85d51f361835
--- /dev/null
+++ b/test/asan/TestCases/Posix/new_array_cookie_test.cc
@@ -0,0 +1,24 @@
+// REQUIRES: asan-64-bits
+// RUN: %clangxx_asan -O3 %s -o %t
+// RUN:                                    not %run %t 2>&1  | FileCheck %s
+// RUN: ASAN_OPTIONS=poison_array_cookie=1 not %run %t 2>&1  | FileCheck %s
+// RUN: ASAN_OPTIONS=poison_array_cookie=0 not %run %t 2>&1  | FileCheck %s --check-prefix=NO_COOKIE
+#include <stdio.h>
+#include <stdlib.h>
+struct C {
+  int x;
+  ~C() {
+    fprintf(stderr, "ZZZZZZZZ\n");
+    exit(1);
+  }
+};
+
+int main(int argc, char **argv) {
+  C *buffer = new C[argc];
+  buffer[-2].x = 10;
+// CHECK: AddressSanitizer: heap-buffer-overflow
+// CHECK: in main {{.*}}new_array_cookie_test.cc:[[@LINE-2]]
+// CHECK: is located 0 bytes inside of 12-byte region
+// NO_COOKIE: ZZZZZZZZ
+  delete [] buffer;
+}