// RUN: %clangxx_tsan %s -o %t// RUN: %run %t 2>&1 | FileCheck %s// bench.h needs pthread barriers which are not available on OS X// UNSUPPORTED: darwin#include"bench.h"intx;voidthread(inttid){for(inti=0;i<bench_niter;i++)__atomic_fetch_add(&x,1,__ATOMIC_ACQ_REL);}voidbench(){start_thread_group(bench_nthread,thread);}// CHECK: DONE