1 // RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t
2 // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll
3 // RUN: not %run %t %t.dll 2>&1 | FileCheck %s
4 
5 __attribute__((noinline))
NullDeref(int * ptr)6 static void NullDeref(int *ptr) {
7   // CHECK: ERROR: AddressSanitizer: access-violation on unknown address
8   // CHECK:   {{0x0*000.. .*pc 0x.*}}
9   ptr[10]++;  // BOOM
10 }
11 
12 extern "C" __declspec(dllexport)
test_function()13 int test_function() {
14   NullDeref((int*)0);
15   // CHECK: {{    #1 0x.* in test_function .*\dll_null_deref.cc:}}[[@LINE-1]]
16   // CHECK: AddressSanitizer can not provide additional info.
17   return 0;
18 }
19