// assume they are the same to avoid spurious follow-on errors.
			return (x.len < 0 || y.len < 0 || x.len == y.len) && c.identical(x.elem, y.elem, p)
		}

	case *Slice:
		// Two slice types are identical if they have identical element types.
		if y, ok := y.(*Slice); ok {
			return c.identical(x.elem, y.elem, p)
		}

	case *Struct:
		// Two struct types are identical if they have the same sequence of fields,

			typ.len = -1
		}
		typ.elem = check.varType(e.Elem)
		if typ.len >= 0 {
			return typ
		}
		// report error if we encountered [...]

	case *syntax.SliceType:
		typ := new(Slice)
		setDefType(def, typ)
		typ.elem = check.varType(e.Elem)
		return typ

	case *syntax.DotsType:
		// dots are handled explicitly where they are legal

		return nil
	case *types.Pointer:
		return find(obj, T.Elem(), append(path, opElem), seen)
	case *types.Slice:
		return find(obj, T.Elem(), append(path, opElem), seen)
	case *types.Array:
		return find(obj, T.Elem(), append(path, opElem), seen)
	case *types.Chan:
		return find(obj, T.Elem(), append(path, opElem), seen)
	case *types.Map:

// queue adds s to the blocked goroutines in semaRoot.
func (root *semaRoot) queue(addr *uint32, s *sudog, lifo bool) {
	s.g = getg()
	s.elem = unsafe.Pointer(addr)
	s.next = nil
	s.prev = nil
	s.waiters = 0

	var last *sudog
	pt := &root.treap
	for t := *pt; t != nil; t = *pt {
		if t.elem == unsafe.Pointer(addr) {
			// Already have addr in list.
			if lifo {
				// Substitute s in t's place in treap.
				*pt = s

		}
		keep(p.GoFiles)
		keep(p.CgoFiles)
		keep(p.TestGoFiles)
		keep(p.XTestGoFiles)
	}

	_, elem := filepath.Split(p.Dir)
	var allRemove []string

	// Remove dir-named executable only if this is package main.
	if p.Name == "main" {
		allRemove = append(allRemove,
			elem,
			elem+".exe",
			p.DefaultExecName(),
			p.DefaultExecName()+".exe",
		)
	}

	// Remove package test executables.

	}

	if uintptr(e.data) != base {
		// As an implementation detail we allow to set finalizers for an inner byte
		// of an object if it could come from tiny alloc (see mallocgc for details).
		if ot.Elem == nil || ot.Elem.Pointers() || ot.Elem.Size_ >= maxTinySize {
			throw("runtime.SetFinalizer: pointer not at beginning of allocated block")
		}
	}

	f := efaceOf(&finalizer)
	ftyp := f._type
	if ftyp == nil {

func checkElem(elem string, kind pathKind) error {
	if elem == "" {
		return fmt.Errorf("empty path element")
	}
	if strings.Count(elem, ".") == len(elem) {
		return fmt.Errorf("invalid path element %q", elem)
	}
	if elem[0] == '.' && kind == modulePath {
		return fmt.Errorf("leading dot in path element")
	}
	if elem[len(elem)-1] == '.' {

				}
			case reflect.Slice:
				if elem, ok := vf.Interface().([]byte); ok {
					if err := emit(p, elem); err != nil {
						return err
					}
				}
			}
			continue

		case fComment:
			if err := s.trim(finfo.parents); err != nil {
				return err
			}
			vf = indirect(vf)
			k := vf.Kind()
			if !(k == reflect.String || k == reflect.Slice && vf.Type().Elem().Kind() == reflect.Uint8) {

     */
    @CheckForNull private AvlNode<E> pred;
    @CheckForNull private AvlNode<E> succ;

    AvlNode(@ParametricNullness E elem, int elemCount) {
      checkArgument(elemCount > 0);
      this.elem = elem;
      this.elemCount = elemCount;
      this.totalCount = elemCount;
      this.distinctElements = 1;
      this.height = 1;
      this.left = null;

		at := (*arraytype)(unsafe.Pointer(t))
		if !indir {
			if at.Len != 1 {
				throw("can't happen")
			}
			cgoCheckArg(at.Elem, p, at.Elem.Kind_&abi.KindDirectIface == 0, top, msg)
			return
		}
		for i := uintptr(0); i < at.Len; i++ {
			cgoCheckArg(at.Elem, p, true, top, msg)
			p = add(p, at.Elem.Size_)
		}
	case abi.Chan, abi.Map:
		// These types contain internal pointers that will