x40, x41 = bits.Add64(x34, uint64(0x0), uint64(fiatScalarUint1(x39)))
	var x42 uint64
	_, x42 = bits.Mul64(x36, 0xd2b51da312547e1b)
	var x44 uint64
	var x45 uint64
	x45, x44 = bits.Mul64(x42, 0x1000000000000000)
	var x46 uint64
	var x47 uint64
	x47, x46 = bits.Mul64(x42, 0x14def9dea2f79cd6)
	var x48 uint64
	var x49 uint64
	x49, x48 = bits.Mul64(x42, 0x5812631a5cf5d3ed)
	var x50 uint64
	var x51 uint64

	var x40 uint64
	var x41 uint64
	x41, x40 = bits.Mul64(x32, 0xffffffff)
	var x42 uint64
	var x43 uint64
	x43, x42 = bits.Mul64(x32, 0xffffffffffffffff)
	var x44 uint64
	var x45 uint64
	x44, x45 = bits.Add64(x43, x40, uint64(0x0))
	var x47 uint64
	_, x47 = bits.Add64(x32, x42, uint64(0x0))
	var x48 uint64
	var x49 uint64
	x48, x49 = bits.Add64(x34, x44, uint64(p256Uint1(x47)))

	x35 := (uint8(x34) & 0xff)
	x36 := (x34 >> 8)
	x37 := (uint8(x36) & 0xff)
	x38 := (x36 >> 8)
	x39 := (uint8(x38) & 0xff)
	x40 := (x38 >> 8)
	x41 := (uint8(x40) & 0xff)
	x42 := (x40 >> 8)
	x43 := (uint8(x42) & 0xff)
	x44 := (x42 >> 8)
	x45 := (uint8(x44) & 0xff)
	x46 := uint8((x44 >> 8))
	x47 := (uint8(x1) & 0xff)
	x48 := (x1 >> 8)
	x49 := (uint8(x48) & 0xff)
	x50 := (x48 >> 8)

	var x33 [10<<20]byte
	var x34 [10<<20]byte
	var x35 [10<<20]byte
	var x36 [10<<20]byte
	var x37 [10<<20]byte
	var x38 [10<<20]byte
	var x39 [10<<20]byte
	var x40 [10<<20]byte
	var x41 [10<<20]byte
	var x42 [10<<20]byte
	var x43 [10<<20]byte
	var x44 [10<<20]byte
	var x45 [10<<20]byte
	var x46 [10<<20]byte
	var x47 [10<<20]byte
	var x48 [10<<20]byte
	var x49 [10<<20]byte
	var x50 [10<<20]byte
	var x51 [10<<20]byte

	},
	{
		"tobe;LSB;7",
		"TOBEORNOTTOBEORTOBEORNOT",
		"\x54\x4f\x42\x45\x4f\x52\x4e\x4f\x54\x82\x84\x86\x8b\x85\x87\x89\x81",
		nil,
	},
	{
		"tobe;LSB;8",
		"TOBEORNOTTOBEORTOBEORNOT",
		"\x54\x9e\x08\x29\xf2\x44\x8a\x93\x27\x54\x04\x12\x34\xb8\xb0\xe0\xc1\x84\x01\x01",
		nil,
	},
	{
		"tobe;MSB;7",
		"TOBEORNOTTOBEORTOBEORNOT",
		"\x54\x4f\x42\x45\x4f\x52\x4e\x4f\x54\x82\x84\x86\x8b\x85\x87\x89\x81",
		nil,
	},
	{

	var x39 uint64
	var x40 uint64
	x39, x40 = bits.Add64(x34, x31, uint64(p384Uint1(x38)))
	var x41 uint64
	var x42 uint64
	x41, x42 = bits.Add64(x32, x29, uint64(p384Uint1(x40)))
	var x43 uint64
	var x44 uint64
	x43, x44 = bits.Add64(x30, x27, uint64(p384Uint1(x42)))
	var x45 uint64
	var x46 uint64
	x45, x46 = bits.Add64(x28, x25, uint64(p384Uint1(x44)))
	var x48 uint64

	"\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" +
	"\x0a\x8a\x4a\xca\x2a\xaa\x6a\xea\x1a\x9a\x5a\xda\x3a\xba\x7a\xfa" +
	"\x06\x86\x46\xc6\x26\xa6\x66\xe6\x16\x96\x56\xd6\x36\xb6\x76\xf6" +

	var x39 uint64
	var x40 uint64
	x39, x40 = bits.Add64(x10, x7, uint64(p521Uint1(x38)))
	var x42 uint64
	_, x42 = bits.Add64(x1, x23, uint64(0x0))
	var x43 uint64
	var x44 uint64
	x43, x44 = bits.Add64(x5, x25, uint64(p521Uint1(x42)))
	var x45 uint64
	var x46 uint64
	x45, x46 = bits.Add64((uint64(p521Uint1(x6)) + x4), x27, uint64(p521Uint1(x44)))
	var x47 uint64

		"\xc4\x00\xb5\x10\x00\x02\x01\x03\x03\x02\x04\x03\x05\x05\x04\x04" +
		"\x00\x00\x01\x7d\x01\x02\x03\x00\x04\x11\x05\x12\x21\x31\x01\x06" +
		"\x13\x51\x61\x07\x22\x71\x14\x32\x81\x91\xa1\x08\x23\xd8\xff\xdd" +
		"\x42\xb1\xc1\x15\x52\xd1\xf0\x24\x33\x62\x72\x82\x09\x0a\x16\x17" +
		"\x18\x19\x1a\x25\x26\x27\x28\x29\x2a\x34\x35\x36\x37\x38\x39\x3a" +
		"\x43\x44\x45\x46\x47\x48\x49\x4a\x53\x54\x55\x56\x57\x58\x59\x5a" +

		idat = "\x00\x00\x00\x0eIDAT\x78\x9c\x62\x62\x00\x04\x00\x00\xff\xff\x00\x06\x00\x03\xfa\xd0\x59\xae"
		iend = "\x00\x00\x00\x00IEND\xae\x42\x60\x82"
	)
	_, err := Decode(strings.NewReader(pngHeader + ihdr + idat + iend))
	if err == nil {
		t.Fatal("got nil error, want non-nil")
	}
}

func TestTrailingIDATChunks(t *testing.T) {