// late in the compilation when it is determined that we need an
// abstract function DIE for an inlined routine imported from a
// previously compiled package.
func AbstractFunc(fn *obj.LSym) {
	ifn := base.Ctxt.DwFixups.GetPrecursorFunc(fn)
	if ifn == nil {
		base.Ctxt.Diag("failed to locate precursor fn for %v", fn)
		return
	}
	_ = ifn.(*ir.Func)
	if base.Debug.DwarfInl != 0 {
		base.Ctxt.Logf("DwarfAbstractFunc(%v)\n", fn.Name)
	}

func NewDwarfFixupTable(ctxt *Link) *DwarfFixupTable {
	return &DwarfFixupTable{
		ctxt:      ctxt,
		symtab:    make(map[*LSym]int),
		precursor: make(map[*LSym]fnState),
	}
}

func (ft *DwarfFixupTable) GetPrecursorFunc(s *LSym) Func {
	if fnstate, found := ft.precursor[s]; found {
		return fnstate.precursor
	}
	return nil
}

func (ft *DwarfFixupTable) SetPrecursorFunc(s *LSym, fn Func) {