1 // RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
2 
3 #include <assert.h>
4 #include <locale.h>
5 #include <sanitizer/msan_interface.h>
6 #include <stdlib.h>
7 #include <string.h>
8 
9 int main(void) {
10   char q[10];
11   size_t n = strxfrm(q, "abcdef", sizeof(q));
12   assert(n < sizeof(q));
13   __msan_check_mem_is_initialized(q, n + 1);
14 
15   locale_t loc = newlocale(LC_ALL_MASK, "C", (locale_t)0);
16 
17   __msan_poison(&q, sizeof(q));
18   n = strxfrm_l(q, "qwerty", sizeof(q), loc);
19   assert(n < sizeof(q));
20   __msan_check_mem_is_initialized(q, n + 1);
21   return 0;
22 }
23