// allocated temporary variable of type [len]elem. This variable is
// initialized, and elem must not contain pointers.
func stackBufAddr(len int64, elem *types.Type) *ir.AddrExpr {
	if elem.HasPointers() {
		base.FatalfAt(base.Pos, "%v has pointers", elem)
	}
	tmp := typecheck.TempAt(base.Pos, ir.CurFunc, types.NewArray(elem, len))
	return typecheck.Expr(typecheck.NodAddr(tmp)).(*ir.AddrExpr)

	//	q/s/u
	//	q/v
	//	w
	//
	// is actually sorted as:
	//
	//	p       # dir=.    elem=p
	//	q/      # dir=.    elem=q
	//	w/      # dir=.    elem=w
	//	q/r     # dir=q    elem=r
	//	q/s/    # dir=q    elem=s
	//	q/v     # dir=q    elem=v
	//	q/s/t   # dir=q/s  elem=t
	//	q/s/u   # dir=q/s  elem=u
	//
	// This order brings directory contents together in contiguous sections

			init = append(init, typecheck.Stmt(r))
		}

		c = typecheck.ConvNop(c, types.Types[types.TUNSAFEPTR])
		setField("c", c)
		if !ir.IsBlank(elem) {
			elem = typecheck.ConvNop(elem, types.Types[types.TUNSAFEPTR])
			setField("elem", elem)
		}

		// TODO(mdempsky): There should be a cleaner way to
		// handle this.
		if base.Flag.Race {

				return nil
			}

			want := true
			elem := ""

			// Don't use GOROOT/src but do walk down into it.
			if pkgDir == root {
				if importPathRoot == "" {
					return nil
				}
			} else {
				// Avoid .foo, _foo, and testdata subdirectory trees.
				_, elem = filepath.Split(pkgDir)
				if strings.HasPrefix(elem, ".") || strings.HasPrefix(elem, "_") || elem == "testdata" {
					want = false
				}
			}

	elemIsPtr := mtyp.Elem().Kind() == reflect.Pointer
	keyInstr := &decInstr{keyOp, 0, nil, ovfl}
	elemInstr := &decInstr{elemOp, 0, nil, ovfl}
	keyP := reflect.New(mtyp.Key())
	elemP := reflect.New(mtyp.Elem())
	for i := 0; i < n; i++ {
		key := decodeIntoValue(state, keyOp, keyIsPtr, keyP.Elem(), keyInstr)
		elem := decodeIntoValue(state, elemOp, elemIsPtr, elemP.Elem(), elemInstr)
		value.SetMapIndex(key, elem)

	return s
}

func (s *sliceType) init(elem gobType) {
	// Set our type id before evaluating the element's, in case it's our own.
	setTypeId(s)
	// See the comments about ids in newTypeObject. Only slices and
	// structs have mutual recursion.
	if elem.id() == 0 {
		setTypeId(elem)
	}
	s.Elem = elem.id()
}

func (s *sliceType) safeString(seen map[typeId]bool) string {
	if seen[s.Id] {
		return s.Name
	}

//
//     type PointerType struct {
//         Tag  itag // pointerType
//         Elem typeOff
//     }
//
//     type SliceType struct {
//         Tag  itag // sliceType
//         Elem typeOff
//     }
//
//     type ArrayType struct {
//         Tag  itag // arrayType
//         Len  uint64
//         Elem typeOff
//     }
//
//     type ChanType struct {
//         Tag  itag   // chanType

			tconv2(b, t.Elem(), 0, mode, visited)
		case Csend:
			b.WriteString("chan<- ")
			tconv2(b, t.Elem(), 0, mode, visited)
		default:
			b.WriteString("chan ")
			if t.Elem() != nil && t.Elem().IsChan() && t.Elem().Sym() == nil && t.Elem().ChanDir() == Crecv {
				b.WriteByte('(')
				tconv2(b, t.Elem(), 0, mode, visited)
				b.WriteByte(')')
			} else {
				tconv2(b, t.Elem(), 0, mode, visited)
			}
		}

				and(notCond)
			}
		}
	} else {
		step := int64(1)
		remains := t.NumElem() * t.Elem().Size()
		combine64bit := unalignedLoad && types.RegSize == 8 && t.Elem().Size() <= 4 && t.Elem().IsInteger()
		combine32bit := unalignedLoad && t.Elem().Size() <= 2 && t.Elem().IsInteger()
		combine16bit := unalignedLoad && t.Elem().Size() == 1 && t.Elem().IsInteger()
		for i := int64(0); remains > 0; {
			var convType *types.Type
			switch {

						addType(targs.At(i))
					}
				}
			}
		case *types.Pointer:
			addType(T.Elem())
		case *types.Slice:
			addType(T.Elem())
		case *types.Array:
			addType(T.Elem())
		case *types.Chan:
			addType(T.Elem())
		case *types.Map:
			addType(T.Key())
			addType(T.Elem())
		case *types.Signature:
			addType(T.Params())
			addType(T.Results())