// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t // RUN: %clangxx_msan -O0 -g -DUNINIT %s -o %t && not %run %t 2>&1 | FileCheck %s #include #include #include int main(void) { struct tm tm; tm.tm_year = 2014; tm.tm_mon = 3; tm.tm_mday = 28; #ifndef UNINIT tm.tm_hour = 13; #endif tm.tm_min = 4; tm.tm_sec = 42; tm.tm_isdst = -1; time_t t = mktime(&tm); // CHECK: MemorySanitizer: use-of-uninitialized-value // CHECK: in main{{.*}}mktime.cc:[[@LINE-2]] assert(t != -1); assert(__msan_test_shadow(&tm, sizeof(tm)) == -1); return 0; }