1 // RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 %s -o %t 2 // RUN: %run %t 3 // RUN: %clangxx_msan -fsanitize-memory-track-origins -O3 %s -o %t 4 // RUN: %run %t 5 6 #include <assert.h> 7 #include <string.h> 8 #include <sanitizer/msan_interface.h> 9 main(int argc,char ** argv)10int main(int argc, char **argv) { 11 char s[20] = "string"; 12 __msan_poison(s, sizeof(s)); 13 __msan_unpoison_string(s); 14 assert(__msan_test_shadow(s, sizeof(s)) == strlen("string") + 1); 15 return 0; 16 } 17