t.Errorf("last appended result was %s; want %s", x, want)
		}

		s := Join(a, nil)
		if string(s) != tt.s {
			t.Errorf(`Join(Split(%q, %q, %d), %q) = %q`, tt.s, tt.sep, tt.n, tt.sep, s)
		}
		if tt.n < 0 {
			b := SplitAfter([]byte(tt.s), []byte(tt.sep))
			if !reflect.DeepEqual(a, b) {

			if t.C.Empty() {
				t.C.Set(csyntax)
			}
			t.Align = align
			tt := *t
			if tag != "" {
				tt.C = &TypeRepr{"struct %s", []interface{}{tag}}
			}
			tt.Go = g
			if c.incompleteStructs[tag] {
				tt.Go = c.Ident(incomplete)
			}
			typedef[name.Name] = &tt
		}

	case *dwarf.TypedefType:
		// Record typedef for printing.
		if dt.Name == "_GoString_" {