// RUN: %clangxx_msan -std=c++11 -O0 %s -o %t && %run %t #include <sanitizer/msan_interface.h> #include <stdio.h> #include <string.h> int main(void) { unsigned char s[L_ctermid + 1]; char *res = ctermid((char *)s); if (res) printf("%zd\n", strlen(res)); return 0; }