1*673dc3d4SNico Weber // RUN: %clang_cl_asan -Od %s -Fe%t
2*673dc3d4SNico Weber // RUN: %env_asan_opts=windows_hook_rtl_allocators=true not %run %t 2>&1 | FileCheck %s
3*673dc3d4SNico Weber // UNSUPPORTED: asan-64-bits
4*673dc3d4SNico Weber #include <windows.h>
5*673dc3d4SNico Weber 
main()6*673dc3d4SNico Weber int main() {
7*673dc3d4SNico Weber   char *buffer;
8*673dc3d4SNico Weber   buffer = (char *)HeapAlloc(GetProcessHeap(), 0, 32),
9*673dc3d4SNico Weber   HeapFree(GetProcessHeap(), 0, buffer);
10*673dc3d4SNico Weber   buffer[0] = 'a';
11*673dc3d4SNico Weber   // CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]]
12*673dc3d4SNico Weber   // CHECK: WRITE of size 1 at [[ADDR]] thread T0
13*673dc3d4SNico Weber }
14