// and block in channel send.
		time.Sleep(1 * time.Millisecond)
		// trigger GC which will shrink the stack of the sender.
		runtime.GC()
	}
	<-done
}

func TestNoShrinkStackWhileParking(t *testing.T) {
	if runtime.GOOS == "netbsd" && runtime.GOARCH == "arm64" {
		testenv.SkipFlaky(t, 49382)
	}
	if runtime.GOOS == "openbsd" {
		testenv.SkipFlaky(t, 51482)
	}