000000a0  00 00 00 00 00 13 3e 42  a5 61 84 ae 49 8b b9 91  |......>B.a..I...|
000000b0  c2 a3 76 74 1e 4f 53 0a  fc 71 de 0d d2 44 c8 ac  |..vt.OS..q...D..|

	return uint64(x >> 15) // arm64:"UBFX\t[$]15, R[0-9]+, [$]17",-"LSR"
}

func ubfx3(x uint16) uint64 {
	return uint64(x >> 9) // arm64:"UBFX\t[$]9, R[0-9]+, [$]7",-"LSR"
}

func ubfx4(x uint8) uint64 {
	return uint64(x >> 3) // arm64:"UBFX\t[$]3, R[0-9]+, [$]5",-"LSR"
}

func ubfx5(x uint32) uint64 {
	return uint64(x) >> 30 // arm64:"UBFX\t[$]30, R[0-9]+, [$]2"
}

func ubfx6(x uint16) uint64 {

	1d 28 27 db 27 9c ce 14 50 77 d4 54 a3 66 4d 4e 6d a4 d2 9e e0
	37 25 a6 a4 da fc d0 fc 67 d2 ae a7 05 29 51 3e 3d a2 67 7f a5
	90 6c 5b 3f 7d 8f 92 f2 28 bd a4 0d da 72 14 70 f9 fb f2 97 b5
	ae a6 17 64 6f ac 5c 03 27 2e 97 07 27 c6 21 a7 91 41 ef 5f 7d
	e6 50 5e 5b fb c3 88 e9 33 43 69 40 93 93 4a e4 d3 57 fa d6 aa
	cb 00 21 20 3a dd 4f b2 d8 fd f8 22 a0 ca 3c f7 67 8e f5 e8 8d
	ae 99 01 41 c5 92 4d 57 bb 6f a3 1b 9e 5f 9d`))

	// take in doNotOptimize as an argument to avoid the loops being rewritten to count down
	// s390x:"CGIJ\t[$]12, R[0-9]+, [$]127, "
	for i := doNotOptimize; i < 128; i++ {
		dummy()
	}

	// s390x:"CGIJ\t[$]10, R[0-9]+, [$]-128, "
	for i := doNotOptimize; i > -129; i-- {
		dummy()
	}

	// s390x:"CGIJ\t[$]2, R[0-9]+, [$]127, "
	for i := doNotOptimize; i >= 128; i++ {
		dummy()
	}

	// s390x:"CGIJ\t[$]4, R[0-9]+, [$]-128, "

	{`'\x0g'`, token.CHAR, 4, `'\x0g'`, "illegal character U+0067 'g' in escape sequence"},
	{`'\u'`, token.CHAR, 3, `'\u'`, "illegal character U+0027 ''' in escape sequence"},
	{`'\u0'`, token.CHAR, 4, `'\u0'`, "illegal character U+0027 ''' in escape sequence"},
	{`'\u00'`, token.CHAR, 5, `'\u00'`, "illegal character U+0027 ''' in escape sequence"},

        0 * details._

        where:
        requested                                            | forcedVersion
        newSelector(mid("org", "module2"), "0.9")            | "2.0"
        newSelector(mid("org", "module2"), "2.1")            | "2.0"
        newSelector(mid("org", "module:with:colon"), "2.0")  | "3.0"
        newSelector(mid("org:with:colon", "module2"), "5.0") | "4.0"
    }

}

var listGroupsTests = []struct {
	// input
	in   string
	user string
	gid  string
	// output
	gids []string
	err  bool
}{
	{in: testGroupFile, user: "root", gid: "0", gids: []string{"0", "1", "2", "7"}},
	{in: testGroupFile, user: "jill", gid: "33", gids: []string{"33", "777"}},
	{in: testGroupFile, user: "jody", gid: "34", gids: []string{"34", "777"}},

	// ppc64x: "RLDICR\t[$]0, R[0-9]*, [$]47, R"
	io64[0] = io64[0] & 0xFFFFFFFFFFFF0000
	// ppc64x: "RLDICL\t[$]0, R[0-9]*, [$]16, R"
	io64[1] = io64[1] & 0x0000FFFFFFFFFFFF
	// ppc64x: -"SRD", -"AND", "RLDICL\t[$]60, R[0-9]*, [$]16, R"
	io64[2] = (io64[2] >> 4) & 0x0000FFFFFFFFFFFF
	// ppc64x: -"SRD", -"AND", "RLDICL\t[$]36, R[0-9]*, [$]28, R"
	io64[3] = (io64[3] >> 28) & 0x0000FFFFFFFFFFFF

	AttrContainingType Attr = 0x1D
	AttrDefaultValue   Attr = 0x1E
	AttrInline         Attr = 0x20
	AttrIsOptional     Attr = 0x21
	AttrLowerBound     Attr = 0x22
	AttrProducer       Attr = 0x25
	AttrPrototyped     Attr = 0x27
	AttrReturnAddr     Attr = 0x2A
	AttrStartScope     Attr = 0x2C
	AttrStrideSize     Attr = 0x2E
	AttrUpperBound     Attr = 0x2F
	AttrAbstractOrigin Attr = 0x31
	AttrAccessibility  Attr = 0x32

		"Hello, World!\n",
		[]byte{
			0x78, 0xbb, 0x1c, 0x32, 0x04, 0x27, 0xf3, 0x00,
			0xb1, 0x75, 0x20, 0x1c, 0x45, 0x2e, 0x00, 0x24,
			0x12, 0x04, 0x74,
		},
		[]byte{
			0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x57, 0x6f, 0x72, 0x6c, 0x64, 0x0a,
		},
		nil,
	},
	{
		"wrong dictionary",
		"",
		[]byte{
			0x78, 0xbb, 0x1c, 0x32, 0x04, 0x27, 0xf3, 0x00,
			0xb1, 0x75, 0x20, 0x1c, 0x45, 0x2e, 0x00, 0x24,