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      1 // RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
      2 #include "test.h"
      3 
      4 void *Thread(void *x) {
      5   barrier_wait(&barrier);
      6   return 0;
      7 }
      8 
      9 int main() {
     10   barrier_init(&barrier, 2);
     11   pthread_t t;
     12   pthread_create(&t, 0, Thread, 0);
     13   barrier_wait(&barrier);
     14   sleep(1);  // wait for the thread to finish and exit
     15   return 0;
     16 }
     17 
     18 // CHECK: WARNING: ThreadSanitizer: thread leak
     19 // CHECK: SUMMARY: ThreadSanitizer: thread leak{{.*}}main
     20