1*d21b3d34SFangrui Song // RUN: %clangxx_msan -O0 %s -o %t && %run %t
2*d21b3d34SFangrui Song 
3*d21b3d34SFangrui Song #include <sys/stat.h>
4*d21b3d34SFangrui Song #include <stdlib.h>
5*d21b3d34SFangrui Song 
main(void)6*d21b3d34SFangrui Song int main(void) {
7*d21b3d34SFangrui Song   struct stat st;
8*d21b3d34SFangrui Song   if (fstat(0, &st))
9*d21b3d34SFangrui Song     exit(1);
10*d21b3d34SFangrui Song 
11*d21b3d34SFangrui Song   if (S_ISBLK(st.st_mode))
12*d21b3d34SFangrui Song     exit(0);
13*d21b3d34SFangrui Song 
14*d21b3d34SFangrui Song   return 0;
15*d21b3d34SFangrui Song }
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