}
		}
		// ensure that LHS variables have a type
		for _, v := range lhs {
			if v.typ == nil {
				v.typ = Typ[Invalid]
			}
		}
		return
	}

	rhs, commaOk := check.multiExpr(orig_rhs[0], l == 2 && returnStmt == nil)
	r = len(rhs)
	if l == r {
		for i, lhs := range lhs {
			check.initVar(lhs, rhs[i], context)
		}
		// Only record comma-ok expression if both initializations succeeded

			}
		}
		// ensure that LHS variables have a type
		for _, v := range lhs {
			if v.typ == nil {
				v.typ = Typ[Invalid]
			}
		}
		return
	}

	rhs, commaOk := check.multiExpr(orig_rhs[0], l == 2 && returnStmt == nil)
	r = len(rhs)
	if l == r {
		for i, lhs := range lhs {
			check.initVar(lhs, rhs[i], context)
		}
		// Only record comma-ok expression if both initializations succeeded

	check.singleValue(x)
}

// multiExpr typechecks e and returns its value (or values) in list.
// If allowCommaOk is set and e is a map index, comma-ok, or comma-err
// expression, the result is a two-element list containing the value
// of e, and an untyped bool value or an error value, respectively.
// If an error occurred, list[0] is not valid.

	check.singleValue(x)
}

// multiExpr typechecks e and returns its value (or values) in list.
// If allowCommaOk is set and e is a map index, comma-ok, or comma-err
// expression, the result is a two-element list containing the value
// of e, and an untyped bool value or an error value, respectively.
// If an error occurred, list[0] is not valid.

// A single-element expression list may evaluate to multiple operands.
func (check *Checker) exprList(elist []syntax.Expr) (xlist []*operand) {
	if n := len(elist); n == 1 {
		xlist, _ = check.multiExpr(elist[0], false)
	} else if n > 1 {
		// multiple (possibly invalid) values
		xlist = make([]*operand, n)
		for i, e := range elist {
			var x operand
			check.expr(nil, &x, e)
			xlist[i] = &x
		}

// A single-element expression list may evaluate to multiple operands.
func (check *Checker) exprList(elist []ast.Expr) (xlist []*operand) {
	if n := len(elist); n == 1 {
		xlist, _ = check.multiExpr(elist[0], false)
	} else if n > 1 {
		// multiple (possibly invalid) values
		xlist = make([]*operand, n)
		for i, e := range elist {
			var x operand
			check.expr(nil, &x, e)
			xlist[i] = &x
		}