for i := 0; i < cap(chanWg); i++ {
		chanWg <- true
	}
	for i := 0; i < N; i++ {
		_ = data[i]
	}
}

// Test that sender synchronizes with receiver even if the sender was blocked.
func TestNoRaceBlockedSendSync(t *testing.T) {
	c := make(chan *int, 1)
	c <- nil
	go func() {
		i := 42
		c <- &i
	}()
	// Give the sender time to actually block.