t.extra = underlying.extra
	t.width = underlying.width
	t.align = underlying.align
	t.alg = underlying.alg
	t.ptrBytes = underlying.ptrBytes
	t.intRegs = underlying.intRegs
	t.floatRegs = underlying.floatRegs
	t.underlying = underlying.underlying

	if underlying.NotInHeap() {
		t.SetNotInHeap(true)
	}
	if underlying.HasShape() {
		t.SetHasShape(true)
	}

	{"% d", []byte{1, 11, 111}, "[ 1  11  111]"},
	{"%+d", [3]byte{1, 11, 111}, "[+1 +11 +111]"},
	{"%# -6d", []byte{1, 11, 111}, "[ 1      11     111  ]"},
	{"%#+-6d", [3]byte{1, 11, 111}, "[+1     +11    +111  ]"},

	// floates with %v
	{"%v", 1.2345678, "1.2345678"},
	{"%v", float32(1.2345678), "1.2345678"},

	// complexes with %v
	{"%v", 1 + 2i, "(1+2i)"},
	{"%v", complex64(1 + 2i), "(1+2i)"},

	// structs