return p.index
}

func (p XPos) LineNumberHTML() string {
	if !p.IsKnown() {
		return "?"
	}
	return p.lico.lineNumberHTML()
}

// AtColumn1 returns the same location but shifted to column 1.
func (p XPos) AtColumn1() XPos {
	p.lico = p.lico.atColumn1()
	return p
}

// A PosTable tracks Pos -> XPos conversions and vice versa.
// Its zero value is a ready-to-use PosTable.
type PosTable struct {

	style, pfx := "b", "+"
	if x.IsStmt() == PosNotStmt {
		style = "s" // /strike not supported in HTML5
		pfx = ""
	}
	return fmt.Sprintf("<%s>%s%d</%s>", style, pfx, x.Line(), style)
}

func (x lico) atColumn1() lico {
	return makeLico(x.Line(), 1).withIsStmt()

				if inlMarks == nil {
					inlMarks = map[*obj.Prog]int32{}
					inlMarksByPos = map[src.XPos][]*obj.Prog{}
				}
				inlMarks[p] = v.AuxInt32()
				inlMarkList = append(inlMarkList, p)
				pos := v.Pos.AtColumn1()
				inlMarksByPos[pos] = append(inlMarksByPos[pos], p)
				firstPos = src.NoXPos

			default:
				// Special case for first line in function; move it to the start (which cannot be a register-valued instruction)