| // Copyright 2022 Igalia S.L. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| templates: |
| - default/data-property.template |
| - default/data-property-short-circuit.template |
| - default/getter-setter.template |
| - default/getter-setter-short-circuit.template |
| - default/getter.template |
| - default/getter-short-circuit.template |
| - default/method-short-circuit.template |
| desc: Nullish-coalescing assignment with target being a private reference |
| info: | |
| sec-assignment-operators-runtime-semantics-evaluation |
| AssignmentExpression : LeftHandSideExpression ??= AssignmentExpression |
| 1. Let _lref_ be the result of evaluating |LeftHandSideExpression|. |
| 2. Let _lval_ be ? GetValue(_lref_). |
| 3. If _lval_ is neither *undefined* nor *null*, return _lval_. |
| ... |
| 6. Perform ? PutValue(_lref_, _rval_). |
| 7. Return _rval_. |
| ---*/ |
| |
| //- lhs |
| null |
| //- operator |
| ??= |
| //- rhs |
| 1 |
| //- result |
| 1 |
| //- short-circuit-lhs |
| 1 |
