1// RUN: %clangxx_msan -m64 -O0 %s -o %t && not %run %t >%t.out 2>&1
2// RUN: FileCheck %s < %t.out
3// RUN: %clangxx_msan -m64 -O3 %s -o %t && not %run %t >%t.out 2>&1
4// RUN: FileCheck %s < %t.out
5
6#include <sys/types.h>
7#include <sys/socket.h>
8#include <netdb.h>
9#include <stdlib.h>
10
11volatile int z;
12
13int main(void) {
14  struct addrinfo *ai;
15  struct addrinfo hint;
16  int res = getaddrinfo("localhost", NULL, NULL, &ai);
17  if (ai) z = 1; // OK
18  res = getaddrinfo("localhost", NULL, &hint, &ai);
19  // CHECK: Uninitialized bytes in __interceptor_getaddrinfo at offset 0 inside [0x{{.*}}, 48)
20  // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
21  // CHECK: #0 {{.*}} in main {{.*}}getaddrinfo-positive.cc:[[@LINE-3]]
22  return 0;
23}
24