1 files changed, 18 insertions, 0 deletions
diff --git a/test/asan/TestCases/Windows/dll_null_deref.cc b/test/asan/TestCases/Windows/dll_null_deref.cc
new file mode 100644
index 000000000000..0fb18de29163
--- /dev/null
+++ b/test/asan/TestCases/Windows/dll_null_deref.cc
@@ -0,0 +1,18 @@
+// RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t
+// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll
+// RUN: not %run %t %t.dll 2>&1 | FileCheck %s
+
+__attribute__((noinline))
+static void NullDeref(int *ptr) {
+  // CHECK: ERROR: AddressSanitizer: access-violation on unknown address
+  // CHECK:   {{0x0*000.. .*pc 0x.*}}
+  ptr[10]++;  // BOOM
+}
+
+extern "C" __declspec(dllexport)
+int test_function() {
+  NullDeref((int*)0);
+  // CHECK: {{    #1 0x.* in test_function .*\dll_null_deref.cc:}}[[@LINE-1]]
+  // CHECK: AddressSanitizer can not provide additional info.
+  return 0;
+}