func TestMemHashGlobalSeed(t *testing.T) {
	if os.Getenv("GO_TEST_SUBPROCESS_HASH") != "" {
		fmt.Println(computeHash())
		os.Exit(0)
		return
	}

	testenv.MustHaveExec(t)

	// aeshash and memhashFallback use separate per-process seeds, so test
	// both.
	t.Run("aes", func(t *testing.T) {
		if !*runtime.UseAeshash {
			t.Skip("No AES")
		}

		h1 := subprocessHash(t, "")