| // RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s | |
| #include <pthread.h> | |
| #include <stddef.h> | |
| void *Thread(void *a) { | |
| *(int*)a = 43; | |
| return 0; | |
| } | |
| int main() { | |
| static __thread int Var = 42; | |
| pthread_t t; | |
| pthread_create(&t, 0, Thread, &Var); | |
| Var = 43; | |
| pthread_join(t, 0); | |
| } | |
| // CHECK: WARNING: ThreadSanitizer: data race | |
| // CHECK: Location is TLS of main thread. |