rdr := dw.Reader()
	for entry, err := rdr.Next(); entry != nil; entry, err = rdr.Next() {
		if err != nil {
			t.Fatalf("error reading DWARF: %v", err)
		}
		switch entry.Tag {
		case dwarf.TagTypedef:
			if name, ok := entry.Val(dwarf.AttrName).(string); ok && want[name] {
				found[name] = true
			}
		}
	}
	return
}

type builtFile struct {
	*objfilepkg.File
	path string
}

		{"TagTemplateTypeParameter", Const, 0},
		{"TagTemplateValueParameter", Const, 0},
		{"TagThrownType", Const, 0},
		{"TagTryDwarfBlock", Const, 0},
		{"TagTypeUnit", Const, 3},
		{"TagTypedef", Const, 0},
		{"TagUnionType", Const, 0},
		{"TagUnspecifiedParameters", Const, 0},
		{"TagUnspecifiedType", Const, 0},
		{"TagVariable", Const, 0},
		{"TagVariant", Const, 0},