1 // RUN: %clang_cl_asan -O0 %s -Fe%t
2 // RUN: %run %t
3 
4 #include <windows.h>
5 
6 typedef struct _S {
7   unsigned int bf1:1;
8   unsigned int bf2:2;
9   unsigned int bf3:3;
10   unsigned int bf4:4;
11 } S;
12 
main(void)13 int main(void) {
14   S *s = (S*)malloc(sizeof(S));
15   s->bf1 = 1;
16   s->bf2 = 2;
17   s->bf3 = 3;
18   s->bf4 = 4;
19   free(s);
20   return 0;
21 }
22