return TypePtrAt(pos, typ.Elem())
}

// concreteRType asserts that typ is not an interface type, and
// returns an expression that yields the *runtime._type value
// representing typ.
func concreteRType(pos src.XPos, typ *types.Type) ir.Node {
	base.AssertfAt(!typ.IsInterface(), pos, "want non-interface type, have %v", typ)
	return TypePtrAt(pos, typ)
}

func walkGrowslice(slice *ir.Name, init *ir.Nodes, oldPtr, newLen, oldCap, num ir.Node) *ir.CallExpr {
	elemtype := slice.Type().Elem()
	fn := typecheck.LookupRuntime("growslice", elemtype, elemtype)
	elemtypeptr := reflectdata.TypePtrAt(base.Pos, elemtype)
	return mkcall1(fn, slice.Type(), init, oldPtr, newLen, oldCap, num, elemtypeptr)
}

// walkClear walks an OCLEAR node.
func walkClear(n *ir.UnaryExpr) ir.Node {
	typ := n.X.Type()

			return false
		}

		reflectdata.MarkTypeUsedInInterface(val.Type(), l.Linksym())

		var itab *ir.AddrExpr
		if typ.IsEmptyInterface() {
			itab = reflectdata.TypePtrAt(base.Pos, val.Type())
		} else {
			itab = reflectdata.ITabAddrAt(base.Pos, val.Type(), typ)
		}

		// Create a copy of l to modify while we emit data.

		// Emit itab, advance offset.