t.String = types.Types[types.TSTRING]
	t.BytePtr = types.NewPtr(types.Types[types.TUINT8])
	t.Int32Ptr = types.NewPtr(types.Types[types.TINT32])
	t.UInt32Ptr = types.NewPtr(types.Types[types.TUINT32])
	t.IntPtr = types.NewPtr(types.Types[types.TINT])
	t.UintptrPtr = types.NewPtr(types.Types[types.TUINTPTR])
	t.Float32Ptr = types.NewPtr(types.Types[types.TFLOAT32])
	t.Float64Ptr = types.NewPtr(types.Types[types.TFLOAT64])

	{"asanregisterglobals", funcTag, 124},
}

func runtimeTypes() []*types.Type {
	var typs [156]*types.Type
	typs[0] = types.ByteType
	typs[1] = types.NewPtr(typs[0])
	typs[2] = types.Types[types.TANY]
	typs[3] = types.NewPtr(typs[2])
	typs[4] = newSig(params(typs[1]), params(typs[3]))
	typs[5] = types.Types[types.TUINTPTR]
	typs[6] = types.Types[types.TBOOL]
	typs[7] = types.Types[types.TUNSAFEPTR]

		name := g.Linksym().Name
		init.Append(typecheck.Stmt(ir.NewAssignStmt(base.Pos, asanName, ir.NewString(base.Pos, name+"\000"))))
		c = tconv(typecheck.NodAddr(asanName), types.Types[types.TUNSAFEPTR])
		c = tconv(c, types.NewPtr(defStringstruct))
		c = ir.NewSelectorExpr(base.Pos, ir.ODOT, c, lname("data"))
		setField("name", c, i)

		// Set the name of package being compiled as a unique identifier of a module.
		// asanModulename = pkgName + "\000"

		a := x.prAssignForArg(v)
		aux := x.f.OwnAux
		regs := a.Registers
		var offset int64
		if len(regs) == 0 {
			offset = a.FrameOffset(aux.abiInfo)
		}
		auxBase := x.offsetFrom(x.f.Entry, x.sp, offset, types.NewPtr(v.Type))
		rc.init(regs, aux.abiInfo, nil, auxBase, 0)
		x.rewriteSelectOrArg(f.Entry.Pos, f.Entry, v, v, m0, v.Type, rc)
	}

func itabType(itab ir.Node) ir.Node {
	if itabTypeField == nil {
		// internal/abi.ITab's Type field
		itabTypeField = runtimeField("Type", rttype.ITab.OffsetOf("Type"), types.NewPtr(types.Types[types.TUINT8]))
	}
	return boundedDotPtr(base.Pos, itab, itabTypeField)
}

var itabTypeField *types.Field

// boundedDotPtr returns a selector expression representing ptr.field

	_ = types.NewPtr(types.NewSlice(types.Types[types.TSTRING]))            // *[]string
	_ = types.NewPtr(types.NewPtr(types.NewPtr(types.Types[types.TUINT8]))) // ***uint8
	_ = types.NewPtr(types.Types[types.TINT16])                             // *int16
	_ = types.NewPtr(types.Types[types.TINT64])                             // *int64
	_ = types.NewPtr(types.ErrorType)                                       // *error

	if t == nil {
		n.SetType(nil)
		return n
	}
	if !t.IsSlice() && !t.IsString() {
		base.Fatalf("OSPTR of %v", t)
	}
	if t.IsString() {
		n.SetType(types.NewPtr(types.Types[types.TUINT8]))
	} else {
		n.SetType(types.NewPtr(t.Elem()))
	}
	return n
}

// tcSlice typechecks an OSLICE or OSLICE3 node.
func tcSlice(n *ir.SliceExpr) ir.Node {
	n.X = DefaultLit(Expr(n.X), nil)

		data.SetType(types.Types[types.TUINT8].PtrTo()) // Type is generic pointer - we're just passing it through.
		data.SetTypecheck(1)

		typeWord := typecheck.TempAt(base.Pos, ir.CurFunc, types.NewPtr(types.Types[types.TUINT8]))
		init.Append(ir.NewAssignStmt(base.Pos, typeWord, typecheck.Conv(typecheck.Conv(itab, types.Types[types.TUNSAFEPTR]), typeWord.Type())))

			// we introduce function param &v *T
			// and v remains PAUTOHEAP with &v heapaddr
			// (accesses will implicitly deref &v).

			addr := ir.NewNameAt(clofn.Pos(), typecheck.Lookup("&"+v.Sym().Name), types.NewPtr(v.Type()))
			addr.Curfn = clofn
			v.Heapaddr = addr
			v = addr
		}

		v.Class = ir.PPARAM
		decls = append(decls, v)

		fld := types.NewField(src.NoXPos, v.Sym(), v.Type())
		fld.Nname = v

// This allows the backend to run concurrently.
var NewPtrCacheEnabled = true

// NewPtr returns the pointer type pointing to t.
func NewPtr(elem *Type) *Type {
	if elem == nil {
		base.Fatalf("NewPtr: pointer to elem Type is nil")
	}

	if t := elem.cache.ptr; t != nil {
		if t.Elem() != elem {
			base.Fatalf("NewPtr: elem mismatch")
		}
		if elem.HasShape() != t.HasShape() {