// with the pointer in hu.
		ptr := ir.NewUnaryExpr(base.Pos, ir.OSPTR, hs)
		ptr.SetBounded(true)
		huVal := ir.NewConvExpr(base.Pos, ir.OCONVNOP, types.Types[types.TUNSAFEPTR], ptr)
		huVal = ir.NewConvExpr(base.Pos, ir.OCONVNOP, types.Types[types.TUINTPTR], huVal)
		hu := typecheck.TempAt(base.Pos, ir.CurFunc, types.Types[types.TUINTPTR])

			arg = ir.NewConvExpr(pos, ir.OCONVNOP, argType, n)
		case fromType.IsInteger() && argType.IsInteger():
			// can directly convert (e.g. int32 to uint32)
			arg = ir.NewConvExpr(pos, ir.OCONV, argType, n)
		default:
			// unsafe cast through memory
			arg = copyExpr(n, fromType, init)
			var addr ir.Node = typecheck.NodAddr(arg)
			addr = ir.NewConvExpr(pos, ir.OCONVNOP, argType.PtrTo(), addr)

					return l, r, nil
				}

				types.CalcSize(l.Type())
				if r.Type().IsInterface() == l.Type().IsInterface() || l.Type().Size() >= 1<<16 {
					l = ir.NewConvExpr(base.Pos, aop, r.Type(), l)
					l.SetTypecheck(1)
				}

				t = r.Type()
				converted = true
			}
		}

		if !converted && l.Type().Kind() != types.TBLANK {
			aop, _ = assignOp(r.Type(), l.Type())

		return typecheck.Expr(ir.NewConvExpr(pos, ir.OCONVNOP, kt, n))
	case nt.IsInteger() && kt.IsInteger():
		// can directly convert (e.g. int32 to uint32)
		if n.Op() == ir.OLITERAL && nt.IsSigned() {
			// avoid constant overflow error
			n = ir.NewConstExpr(constant.MakeUint64(uint64(ir.Int64Val(n))), n)
			n.SetType(kt)
			return n
		}
		return typecheck.Expr(ir.NewConvExpr(pos, ir.OCONV, kt, n))
	default:

		}

		// pick off before type-checking arguments
		arg, ok := needOneArg(n, "conversion to %v", l.Type())
		if !ok {
			n.SetType(nil)
			return n
		}

		n := ir.NewConvExpr(n.Pos(), ir.OCONV, nil, arg)
		n.SetType(l.Type())
		return tcConv(n)
	}

	RewriteNonNameCall(n)
	typecheckargs(n)
	t := l.Type()
	if t == nil {
		n.SetType(nil)
		return n
	}

			// Call runtime to do switch
			// case, itab = runtime.interfaceSwitch(&descriptor, typeof(arg))
			var typeArg ir.Node
			if s.srcName.Type().IsEmptyInterface() {
				typeArg = ir.NewConvExpr(base.Pos, ir.OCONVNOP, types.Types[types.TUINT8].PtrTo(), srcItab)
			} else {
				typeArg = itabType(srcItab)
			}
			caseVar := typecheck.TempAt(base.Pos, ir.CurFunc, types.Types[types.TINT])

		return key
	}
	// mapaccess and mapdelete don't distinguish pointer vs. integer key.
	switch fast {
	case mapfast32ptr:
		return ir.NewConvExpr(n.Pos(), ir.OCONVNOP, types.Types[types.TUINT32], key)
	case mapfast64ptr:
		return ir.NewConvExpr(n.Pos(), ir.OCONVNOP, types.Types[types.TUINT64], key)
	default:
		// fast version takes key by value.
		return key
	}
}

		return n
	}
	n = ir.NewConvExpr(base.Pos, ir.OCONV, nil, n)
	n.SetType(t)
	n = Expr(n)
	return n
}

// ConvNop converts node n to type t using the OCONVNOP op
// and typechecks the result with ctxExpr.
func ConvNop(n ir.Node, t *types.Type) ir.Node {
	if types.IdenticalStrict(n.Type(), t) {
		return n
	}
	n = ir.NewConvExpr(base.Pos, ir.OCONVNOP, nil, n)
	n.SetType(t)

			}
		case types.TPTR:
			if n.Type().Elem().NotInHeap() {
				on = typecheck.LookupRuntime("printuintptr")
				n = ir.NewConvExpr(base.Pos, ir.OCONV, nil, n)
				n.SetType(types.Types[types.TUNSAFEPTR])
				n = ir.NewConvExpr(base.Pos, ir.OCONV, nil, n)
				n.SetType(types.Types[types.TUINTPTR])
				break
			}
			fallthrough
		case types.TCHAN, types.TMAP, types.TFUNC, types.TUNSAFEPTR:

		}
		var e Node = NewLinksymExpr(pos, name.LinksymABI(abi), types.Types[types.TUINTPTR])
		e = NewAddrExpr(pos, e)
		e.SetType(types.Types[types.TUINTPTR].PtrTo())
		e = NewConvExpr(pos, OCONVNOP, types.Types[types.TUINTPTR], e)
		e.SetTypecheck(1)
		return e
	}
	// fn is not a defined function. It must be ABIInternal.
	// Read the address from func value, i.e. *(*uintptr)(idata(fn)).