// Test expansion of attr bitmaps
	for idx := 0; idx < 36; idx++ {
		es := ldr.LookupOrCreateSym(fmt.Sprintf("zext%d", idx), 0)
		if ldr.AttrOnList(es) {
			t.Errorf("expected OnList after creation")
		}
		ldr.SetAttrOnList(es, true)
		if !ldr.AttrOnList(es) {
			t.Errorf("expected !OnList after update")
		}
		if ldr.AttrDuplicateOK(es) {
			t.Errorf("expected DupOK after creation")
		}
		ldr.SetAttrDuplicateOK(es, true)

func (sb *SymbolBuilder) SetSize(size int64)         { sb.size = size }
func (sb *SymbolBuilder) SetData(data []byte)        { sb.data = data }
func (sb *SymbolBuilder) SetOnList(v bool)           { sb.l.SetAttrOnList(sb.symIdx, v) }
func (sb *SymbolBuilder) SetExternal(v bool)         { sb.l.SetAttrExternal(sb.symIdx, v) }
func (sb *SymbolBuilder) SetValue(v int64)           { sb.l.SetSymValue(sb.symIdx, v) }

				return errorf("symbol %s listed multiple times",
					l.SymName(s))
			}
			l.SetAttrOnList(s, true)
			textp = append(textp, s)
			for ss := l.SubSym(s); ss != 0; ss = l.SubSym(ss) {
				if l.AttrOnList(ss) {
					return errorf("symbol %s listed multiple times",
						l.SymName(ss))
				}
				l.SetAttrOnList(ss, true)
				textp = append(textp, ss)
			}
		}
	}

	// load relocations

		if l.SymType(s) == sym.STEXT {
			for ; s != 0; s = l.SubSym(s) {
				if l.AttrOnList(s) {
					return nil, fmt.Errorf("symbol %s listed multiple times", l.SymName(s))
				}
				l.SetAttrOnList(s, true)
				ls.Textp = append(ls.Textp, s)
			}
		}
	}

	if ls.PData != 0 {
		processSEH(l, arch, ls.PData, ls.XData)
	}

	return &ls, nil
}