// 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)

				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