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// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include <pthread.h>
#include <stddef.h>
#include <unistd.h>
void *Thread2(void *a) {
sleep(1);
*(int*)a = 43;
return 0;
}
void *Thread(void *a) {
static __thread int Var = 42;
pthread_t t;
pthread_create(&t, 0, Thread2, &Var);
Var = 42;
pthread_join(t, 0);
return 0;
}
int main() {
pthread_t t;
pthread_create(&t, 0, Thread, 0);
pthread_join(t, 0);
}
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Location is TLS of thread T1.
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