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// RUN: %clang_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <unistd.h>
int Global;
void *Thread1(void *x) {
sleep(1);
Global = 42;
return x;
}
int main() {
pthread_t t;
pthread_create(&t, 0, Thread1, 0);
Global = 43;
pthread_join(t, 0);
return Global;
}
// CHECK: WARNING: ThreadSanitizer: data race
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