1*d21b3d34SFangrui Song // RUN: %clangxx_msan -O0 -g %s -o %t && %run %t 2*d21b3d34SFangrui Song // RUN: %clangxx_msan -O0 -g -DUNINIT %s -o %t && not %run %t 2>&1 | FileCheck %s 3*d21b3d34SFangrui Song 4*d21b3d34SFangrui Song #include <assert.h> 5*d21b3d34SFangrui Song #include <time.h> 6*d21b3d34SFangrui Song 7*d21b3d34SFangrui Song #include <sanitizer/msan_interface.h> 8*d21b3d34SFangrui Song main(void)9*d21b3d34SFangrui Songint main(void) { 10*d21b3d34SFangrui Song struct tm tm; 11*d21b3d34SFangrui Song tm.tm_year = 2014; 12*d21b3d34SFangrui Song tm.tm_mon = 3; 13*d21b3d34SFangrui Song tm.tm_mday = 28; 14*d21b3d34SFangrui Song #ifndef UNINIT 15*d21b3d34SFangrui Song tm.tm_hour = 13; 16*d21b3d34SFangrui Song #endif 17*d21b3d34SFangrui Song tm.tm_min = 4; 18*d21b3d34SFangrui Song tm.tm_sec = 42; 19*d21b3d34SFangrui Song tm.tm_isdst = -1; 20*d21b3d34SFangrui Song time_t t = mktime(&tm); 21*d21b3d34SFangrui Song // CHECK: MemorySanitizer: use-of-uninitialized-value 22*d21b3d34SFangrui Song // CHECK: in main{{.*}}mktime.cpp:[[@LINE-2]] 23*d21b3d34SFangrui Song assert(t != -1); 24*d21b3d34SFangrui Song assert(__msan_test_shadow(&tm, sizeof(tm)) == -1); 25*d21b3d34SFangrui Song return 0; 26*d21b3d34SFangrui Song } 27