done.Add(4 * procs)
	for p := 0; p < procs; p++ {
		const iters = 1e3
		go func() {
			trace.WithRegion(context.Background(), "special", func() {
				for i := 0; i < iters; i++ {
					runtime.Gosched()
					c0 <- 0
				}
				done.Done()
			})
		}()
		go func() {
			trace.WithRegion(context.Background(), "special", func() {
				for i := 0; i < iters; i++ {
					runtime.Gosched()
					<-c0
				}
				done.Done()

		cgran         coverage.CounterGranularity
		src, dst, res []uint32
		iters         int
		merr          bool
		overflow      bool
	}{
		{
			cmode:    coverage.CtrModeSet,
			cgran:    coverage.CtrGranularityPerBlock,
			src:      []uint32{1, 0, 1},
			dst:      []uint32{1, 1, 0},
			res:      []uint32{1, 1, 1},
			iters:    2,
			overflow: false,
		},
		{
			cmode:    coverage.CtrModeCount,

		// Passed on first try, report no error.
		return nil
	}
	allocInterleaved2(iters)
	if checkAllocations(getMemProfileRecords(), frames[0:2], iters, allocInterleavedSizes) == nil {
		// Passed on second try, report no error.
		return nil
	}
	allocInterleaved3(iters)
	// If it fails a third time, we may be onto something.
	return checkAllocations(getMemProfileRecords(), frames[0:3], iters, allocInterleavedSizes)

				nil,
				true,
				gvk,
				schemaValidator,
				nil,
				sts,
				nil,
				nil,
				nil,
			)

			iters := 1
			if tt.iters > 0 {
				iters = tt.iters
			}
			for i := 0; i < iters; i++ {
				_ = strategy.ValidateUpdate(context.TODO(), tt.obj, tt.old)
			}

	"testing"
)

func TestReproducibleBuilds(t *testing.T) {
	tests := []string{
		"issue20272.go",
		"issue27013.go",
		"issue30202.go",
	}

	testenv.MustHaveGoBuild(t)
	iters := 10
	if testing.Short() {
		iters = 4
	}
	t.Parallel()
	for _, test := range tests {
		test := test
		t.Run(test, func(t *testing.T) {
			t.Parallel()
			var want []byte
			tmp, err := os.CreateTemp("", "")

			select {}
		}()

		// Unblock helper goroutines and wait them to finish.
		wp.Write(tmp[:])
		wp.Write(tmp[:])
		close(done)
		wg.Wait()
	}()

	const iters = 5
	for i := 0; i < iters; i++ {
		var w io.Writer
		if i == iters-1 {
			w = os.Stdout
		} else {
			w = new(bytes.Buffer)
		}
		if err := trace.Start(w); err != nil {
			log.Fatalf("failed to start tracing: %v", err)
		}

		procs := uint32(0)
		iters := uint64(0)
		b.SetParallelism(3)
		b.RunParallel(func(pb *testing.PB) {
			atomic.AddUint32(&procs, 1)
			for pb.Next() {
				atomic.AddUint64(&iters, 1)
			}
		})
		if want := uint32(3 * runtime.GOMAXPROCS(0)); procs != want {
			t.Errorf("got %v procs, want %v", procs, want)
		}
		if iters != uint64(b.N) {
			t.Errorf("got %v iters, want %v", iters, b.N)
		}
	})
}

  const int64_t start_us = NowMicros();
  int64_t iters = 0;
  while (true) {
    const int64_t iter_start_us = NowMicros();
    fn();
    const int64_t end_us = NowMicros();
    // Collect stats and decide whether to stop.
    stats->per_iter_us.push_back(end_us - iter_start_us);
    const int64_t total_us = end_us - start_us;
    ++iters;
    if ((max_us > 0 && total_us >= max_us) ||

			c.L.Unlock()
			runtime.Gosched()
			c.L.Lock()
		}
		c.L.Unlock()
		done <- true
	}()
	<-done
	<-done
	<-done
}

func TestCondSignalStealing(t *testing.T) {
	for iters := 0; iters < 1000; iters++ {
		var m Mutex
		cond := NewCond(&m)

		// Start a waiter.
		ch := make(chan struct{})
		go func() {
			m.Lock()
			ch <- struct{}{}
			cond.Wait()
			m.Unlock()

					if r.Int63n(mapSize) == 0 {
						m.Store(n, n*i*g)
					} else {
						m.Load(n)
					}
				}
			}
		}(g)
	}

	iters := 1 << 10
	if testing.Short() {
		iters = 16
	}
	for n := iters; n > 0; n-- {
		seen := make(map[int64]bool, mapSize)

		m.Range(func(ki, vi any) bool {
			k, v := ki.(int64), vi.(int64)
			if v%k != 0 {