//	_1111     = _11 + _1100
	//	_11110000 = _1111 << 4
	//	_11111111 = _1111 + _11110000
	//	x16       = _11111111 << 8 + _11111111
	//	x32       = x16 << 16 + x16
	//	x64       = x32 << 32 + x32
	//	x65       = 2*x64 + 1
	//	x129      = x65 << 64 + x64
	//	x130      = 2*x129 + 1
	//	x259      = x130 << 129 + x129
	//	x260      = 2*x259 + 1
	//	x519      = x260 << 259 + x259
	//	return      x519 << 2 + 1
	//

	var x56 [10<<20]byte
	var x57 [10<<20]byte
	var x58 [10<<20]byte
	var x59 [10<<20]byte
	var x60 [10<<20]byte
	var x61 [10<<20]byte
	var x62 [10<<20]byte
	var x63 [10<<20]byte
	var x64 [10<<20]byte
	var x65 [10<<20]byte
	var x66 [10<<20]byte
	var x67 [10<<20]byte
	var x68 [10<<20]byte
	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

	"\x01\x81\x41\xc1\x21\xa1\x61\xe1\x11\x91\x51\xd1\x31\xb1\x71\xf1" +
	"\x09\x89\x49\xc9\x29\xa9\x69\xe9\x19\x99\x59\xd9\x39\xb9\x79\xf9" +
	"\x05\x85\x45\xc5\x25\xa5\x65\xe5\x15\x95\x55\xd5\x35\xb5\x75\xf5" +
	"\x0d\x8d\x4d\xcd\x2d\xad\x6d\xed\x1d\x9d\x5d\xdd\x3d\xbd\x7d\xfd" +
	"\x03\x83\x43\xc3\x23\xa3\x63\xe3\x13\x93\x53\xd3\x33\xb3\x73\xf3" +

// tests holds some simple test cases, including some found by fuzzing.
var tests = []struct {
	name, uncompressed, compressed string
}{
	{
		"hello",
		"hello, world\n",
		"\x28\xb5\x2f\xfd\x24\x0d\x69\x00\x00\x68\x65\x6c\x6c\x6f\x2c\x20\x77\x6f\x72\x6c\x64\x0a\x4c\x1f\xf9\xf1",
	},
	{
		// a small compressed .debug_ranges section.
		"ranges",
		"\xcc\x11\x00\x00\x00\x00\x00\x00\xd5\x13\x00\x00\x00\x00\x00\x00" +