1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include "java.h"
3
4void *Thread(void *p) {
5  *(int*)p = 42;
6  return 0;
7}
8
9int main() {
10  int const kHeapSize = 1024 * 1024;
11  jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
12  __tsan_java_init(jheap, kHeapSize);
13  const int kBlockSize = 16;
14  __tsan_java_alloc(jheap, kBlockSize);
15  pthread_t th;
16  pthread_create(&th, 0, Thread, (void*)jheap);
17  *(int*)jheap = 43;
18  pthread_join(th, 0);
19  __tsan_java_free(jheap, kBlockSize);
20  fprintf(stderr, "DONE\n");
21  return __tsan_java_fini();
22}
23
24// CHECK: WARNING: ThreadSanitizer: data race
25// CHECK: DONE
26