| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s | |
| #include <pthread.h> | |
| #include <unistd.h> | |
| volatile int X; | |
| void *Thread1(void *x) { | |
| sleep(1); | |
| X = 42; | |
| X = 66; | |
| X = 78; | |
| return 0; | |
| } | |
| void *Thread2(void *x) { | |
| X = 11; | |
| X = 99; | |
| X = 73; | |
| return 0; | |
| } | |
| int main() { | |
| pthread_t t; | |
| pthread_create(&t, 0, Thread1, 0); | |
| Thread2(0); | |
| pthread_join(t, 0); | |
| } | |
| // CHECK: ThreadSanitizer: reported 1 warnings |