1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include <pthread.h> 3 #include <stddef.h> 4 #include <unistd.h> 5 Thread(void * a)6void *Thread(void *a) { 7 sleep(1); 8 *(int*)a = 43; 9 return 0; 10 } 11 main()12int main() { 13 int Var = 42; 14 pthread_t t; 15 pthread_create(&t, 0, Thread, &Var); 16 Var = 43; 17 pthread_join(t, 0); 18 } 19 20 // CHECK: WARNING: ThreadSanitizer: data race 21 // CHECK: Location is stack of main thread. 22 23