switch (next) {
                case XMLStreamReader.SPACE:
                case XMLStreamReader.COMMENT:
                case XMLStreamReader.PROCESSING_INSTRUCTION:
                case XMLStreamReader.CDATA:
                case XMLStreamReader.CHARACTERS:
                    continue;
                case XMLStreamReader.START_ELEMENT:
                case XMLStreamReader.END_ELEMENT:
                    return next;

// writing nothing. Marshal handles all other data by writing one or more XML
// elements containing the data.
//
// The name for the XML elements is taken from, in order of preference:
//   - the tag on the XMLName field, if the data is a struct
//   - the value of the XMLName field of type [Name]
//   - the tag of the struct field used to obtain the data
//   - the name of the struct field used to obtain the data
//   - the name of the marshaled type
//

	// in their enumeration order (ftNone, ftSub, ftUp, ftAverage, ftPaeth).
	cdat0 := cr[0][1:]
	cdat1 := cr[1][1:]
	cdat2 := cr[2][1:]
	cdat3 := cr[3][1:]
	cdat4 := cr[4][1:]
	pdat := pr[1:]
	n := len(cdat0)

	// The up filter.
	sum := 0
	for i := 0; i < n; i++ {
		cdat2[i] = cdat0[i] - pdat[i]
		sum += abs8(cdat2[i])
	}
	best := sum
	filter := ftUp

	// The Paeth filter.
	sum = 0

			copy(cdat2, cdat0)
			filterPaeth(cdat1, pdat1, bytesPerPixel)
			slowFilterPaeth(cdat2, pdat2, bytesPerPixel)
			if !bytes.Equal(cdat1, cdat2) {
				t.Errorf("bytesPerPixel: %d\npdat0: % x\ncdat0: % x\ngot:   % x\nwant:  % x", bytesPerPixel, pdat0, cdat0, cdat1, cdat2)
				break
			}
		}
	}

go list ./...
! stdout _data

# skip in conditions where chmod 0 may not work.
# plan9 should be fine, but copied from list_perm.txt unchanged.
[root] skip
[GOOS:windows] skip
[GOOS:plan9] skip

# go list should work with unreadable _data directory.
chmod 0 _data
go list ./...
! stdout _data

-- go.mod --
module m

-- x.go --
package m

-- _data/x.go --

David Chase <******@****.***> 1617630442 -0400

	copy(b, s.P)
	s.P = b
}

// prepwrite prepares to write data of size siz into s at offset off.
func (s *LSym) prepwrite(ctxt *Link, off int64, siz int) {
	if off < 0 || siz < 0 || off >= 1<<30 {
		ctxt.Diag("prepwrite: bad off=%d siz=%d s=%v", off, siz, s)
	}
	switch s.Type {
	case objabi.Sxxx, objabi.SBSS:
		s.Type = objabi.SDATA
	case objabi.SNOPTRBSS:
		s.Type = objabi.SNOPTRDATA
	case objabi.STLSBSS:

David Chase <******@****.***> 1617630442 -0400

func (ctxt *Link) EmitEntryStackMap(s *LSym, p *Prog, newprog ProgAlloc) *Prog {
	pcdata := Appendp(p, newprog)
	pcdata.Pos = s.Func().Text.Pos
	pcdata.As = APCDATA
	pcdata.From.Type = TYPE_CONST
	pcdata.From.Offset = abi.PCDATA_StackMapIndex
	pcdata.To.Type = TYPE_CONST
	pcdata.To.Offset = -1 // pcdata starts at -1 at function entry

	return pcdata
}

// Similar to EmitEntryLiveness, but just emit unsafe point map.

			inRange(pmd.data, pmd.edata, md.data, md.edata) ||
			inRange(pmd.types, pmd.etypes, md.types, md.etypes) {
			println("plugin: new module data overlaps with previous moduledata")
			println("\tpmd.text-etext=", hex(pmd.text), "-", hex(pmd.etext))
			println("\tpmd.bss-ebss=", hex(pmd.bss), "-", hex(pmd.ebss))
			println("\tpmd.data-edata=", hex(pmd.data), "-", hex(pmd.edata))