break
			}

			// 3 == NT_GNU_BUILD_ID
			if typ == 3 && namesz == 4 && bytes.Equal(d[12:16], []byte("GNU\000")) {
				id := string(d[12+an:12+an+descsz])
				if id == "\x12\x34\x56\x78" {
					c++
				} else {
					fmt.Fprintf(os.Stderr, "wrong build ID data: %q\n", id)
					fail = true
				}
			}

			d = d[12+an+ad:]
		}
	}

	if c == 0 {

	for n := b.N; n > 0; n-- {
		t += p.Uint64()
	}
	Sink = t
}

func TestPCGMarshal(t *testing.T) {
	var p PCG
	const (
		seed1 = 0x123456789abcdef0
		seed2 = 0xfedcba9876543210
		want  = "pcg:\x12\x34\x56\x78\x9a\xbc\xde\xf0\xfe\xdc\xba\x98\x76\x54\x32\x10"
	)
	p.Seed(seed1, seed2)
	data, err := p.MarshalBinary()
	if string(data) != want || err != nil {
		t.Errorf("MarshalBinary() = %q, %v, want %q, nil", data, err, want)
	}

	var x69 [10<<20]byte
	var x70 [10<<20]byte
	var x71 [10<<20]byte
	var x72 [10<<20]byte
	var x73 [10<<20]byte
	var x74 [10<<20]byte
	var x75 [10<<20]byte
	var x76 [10<<20]byte
	var x77 [10<<20]byte
	var x78 [10<<20]byte
	var x79 [10<<20]byte
	var x80 [10<<20]byte
	var x81 [10<<20]byte
	var x82 [10<<20]byte
	var x83 [10<<20]byte
	var x84 [10<<20]byte
	var x85 [10<<20]byte
	var x86 [10<<20]byte

	"\x04\x05\x05\x06\x05\x06\x06\x07\x05\x06\x06\x07\x06\x07\x07\x08"

const rev8tab = "" +
	"\x00\x80\x40\xc0\x20\xa0\x60\xe0\x10\x90\x50\xd0\x30\xb0\x70\xf0" +
	"\x08\x88\x48\xc8\x28\xa8\x68\xe8\x18\x98\x58\xd8\x38\xb8\x78\xf8" +
	"\x04\x84\x44\xc4\x24\xa4\x64\xe4\x14\x94\x54\xd4\x34\xb4\x74\xf4" +
	"\x0c\x8c\x4c\xcc\x2c\xac\x6c\xec\x1c\x9c\x5c\xdc\x3c\xbc\x7c\xfc" +
	"\x02\x82\x42\xc2\x22\xa2\x62\xe2\x12\x92\x52\xd2\x32\xb2\x72\xf2" +