// This file was procedurally generated from the following sources:
// - src/dstr-assignment/array-elem-put-prop-ref-no-get.case
// - src/dstr-assignment/default/assignment-expr.template
/*---
description: If the DestructuringAssignmentTarget of an AssignmentElement is a PropertyReference, it should not be evaluated. (AssignmentExpression)
esid: sec-variable-statement-runtime-semantics-evaluation
es6id: 13.3.2.4
features: [destructuring-binding]
flags: [generated]
info: |
    VariableDeclaration : BindingPattern Initializer

    1. Let rhs be the result of evaluating Initializer.
    2. Let rval be GetValue(rhs).
    3. ReturnIfAbrupt(rval).
    4. Return the result of performing BindingInitialization for
       BindingPattern passing rval and undefined as arguments.
---*/
var x, setValue;
x = {
  get y() {
    $ERROR('The property should not be accessed.');
  },
  set y(val) {
    setValue = val;
  }
};

var result;
var vals = [23];

result = [x.y] = vals;

assert.sameValue(setValue, 23);

assert.sameValue(result, vals);
