1 // RUN: %clangxx_msan -std=c++11 -O0 -g %s -o %t && not %run %t 2>&1 | FileCheck %s
2 // RUN: %clangxx_msan -DLEFT_OK -std=c++11 -O0 -g %s -o %t && not %run %t 2>&1 | FileCheck %s
3 // RUN: %clangxx_msan -DRIGHT_OK -std=c++11 -O0 -g %s -o %t && not %run %t 2<&1 | FileCheck %s
4 // RUN: %clangxx_msan -DLEFT_OK -DRIGHT_OK -std=c++11 -O0 -g %s -o %t && %run %t
5 // REQUIRES: !android
6 
7 #include <assert.h>
8 #include <sanitizer/msan_interface.h>
9 #include <signal.h>
10 #include <sys/time.h>
11 #include <unistd.h>
12 
main(void)13 int main(void) {
14   sigset_t s, t, u;
15 #ifdef LEFT_OK
16   sigemptyset(&t);
17 #endif
18 #ifdef RIGHT_OK
19   sigemptyset(&u);
20 #endif
21 
22   // CHECK:  MemorySanitizer: use-of-uninitialized-value
23   // CHECK-NEXT: in main {{.*}}sigandorset.cpp:[[@LINE+1]]
24   sigandset(&s, &t, &u);
25   sigorset(&s, &t, &u);
26   __msan_check_mem_is_initialized(&s, sizeof s);
27   return 0;
28 }
29