}
	if !bytes.Equal(b, wt.Data) {
		t.Errorf("File contents %q, want %q", b, wt.Data)
	}
}

func BenchmarkCompressedZipGarbage(b *testing.B) {
	bigBuf := bytes.Repeat([]byte("a"), 1<<20)

	runOnce := func(buf *bytes.Buffer) {
		buf.Reset()
		zw := NewWriter(buf)
		for j := 0; j < 3; j++ {
			w, _ := zw.CreateHeader(&FileHeader{
				Name:   "foo",
				Method: Deflate,
			})

		}
	}
	return
}

// generatesZip64 reports whether f wrote a zip64 file.
// f is also responsible for closing w.
func generatesZip64(t *testing.T, f func(w *Writer)) bool {
	ss := &suffixSaver{keep: 10 << 20}
	w := NewWriter(ss)
	f(w)
	return suffixIsZip64(t, ss)
}

type sizedReaderAt interface {
	io.ReaderAt
	Size() int64
}

func suffixIsZip64(t *testing.T, zip sizedReaderAt) bool {

var sysStat func(fi fs.FileInfo, h *Header, doNameLookups bool) error

const (
	// Mode constants from the USTAR spec:
	// See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html#tag_20_92_13_06
	c_ISUID = 04000 // Set uid
	c_ISGID = 02000 // Set gid
	c_ISVTX = 01000 // Save text (sticky bit)

	// Common Unix mode constants; these are not defined in any common tar standard.

	names := []string{
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/333/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38/39/40/file.txt",

pkg debug/elf, const R_390_12 = 2
pkg debug/elf, const R_390_12 R_390
pkg debug/elf, const R_390_16 = 3
pkg debug/elf, const R_390_16 R_390
pkg debug/elf, const R_390_20 = 57
pkg debug/elf, const R_390_20 R_390
pkg debug/elf, const R_390_32 = 4
pkg debug/elf, const R_390_32 R_390
pkg debug/elf, const R_390_64 = 22
pkg debug/elf, const R_390_64 R_390
pkg debug/elf, const R_390_8 = 1

pkg debug/elf, const R_ARM_ALU_PC_G2 R_ARM
pkg debug/elf, const R_ARM_ALU_SBREL_19_12_NC = 36
pkg debug/elf, const R_ARM_ALU_SBREL_19_12_NC R_ARM
pkg debug/elf, const R_ARM_ALU_SBREL_27_20_CK = 37
pkg debug/elf, const R_ARM_ALU_SBREL_27_20_CK R_ARM
pkg debug/elf, const R_ARM_ALU_SB_G0 = 71
pkg debug/elf, const R_ARM_ALU_SB_G0 R_ARM
pkg debug/elf, const R_ARM_ALU_SB_G0_NC = 70
pkg debug/elf, const R_ARM_ALU_SB_G0_NC R_ARM

pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_5 = 38 #46229
pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_5 R_LARCH #46229
pkg debug/elf, const R_LARCH_SOP_POP_32_S_5_20 = 43 #46229
pkg debug/elf, const R_LARCH_SOP_POP_32_S_5_20 R_LARCH #46229
pkg debug/elf, const R_LARCH_SOP_POP_32_U = 46 #46229
pkg debug/elf, const R_LARCH_SOP_POP_32_U R_LARCH #46229
pkg debug/elf, const R_LARCH_SOP_POP_32_U_10_12 = 39 #46229

	MOVW	errors(SB), FPSR   // ERROR "illegal combination"
	MOVW	F0, errors(SB)     // ERROR "illegal combination"
	MOVW	errors(SB), F0     // ERROR "illegal combination"
	MOVW	$20, errors(SB)    // ERROR "illegal combination"
	MOVW	errors(SB), $20    // ERROR "illegal combination"
	MOVW	(R1), [R0-R4]      // ERROR "illegal combination"
	MOVW	[R0-R4], (R1)      // ERROR "illegal combination"

pkg debug/elf, const R_AARCH64_P32_GOT_LD_PREL19 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_IRELATIVE = 188
pkg debug/elf, const R_AARCH64_P32_IRELATIVE R_AARCH64
pkg debug/elf, const R_AARCH64_P32_JUMP26 = 20
pkg debug/elf, const R_AARCH64_P32_JUMP26 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_JUMP_SLOT = 182
pkg debug/elf, const R_AARCH64_P32_JUMP_SLOT R_AARCH64
pkg debug/elf, const R_AARCH64_P32_LD32_GOT_LO12_NC = 27

pkg debug/elf, const R_RISCV_GNU_VTENTRY R_RISCV
pkg debug/elf, const R_RISCV_GNU_VTINHERIT = 41
pkg debug/elf, const R_RISCV_GNU_VTINHERIT R_RISCV
pkg debug/elf, const R_RISCV_GOT_HI20 = 20
pkg debug/elf, const R_RISCV_GOT_HI20 R_RISCV
pkg debug/elf, const R_RISCV_GPREL_I = 47
pkg debug/elf, const R_RISCV_GPREL_I R_RISCV
pkg debug/elf, const R_RISCV_GPREL_S = 48
pkg debug/elf, const R_RISCV_GPREL_S R_RISCV