// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
// - src/dstr-binding/default/let-stmt.template
/*---
description: BindingElement with array binding pattern and initializer is not used (`let` statement)
esid: sec-let-and-const-declarations-runtime-semantics-evaluation
es6id: 13.3.1.4
features: [generators, destructuring-binding]
flags: [generated]
info: |
    LexicalBinding : BindingPattern Initializer

    1. Let rhs be the result of evaluating Initializer.
    2. Let value be GetValue(rhs).
    3. ReturnIfAbrupt(value).
    4. Let env be the running execution context's LexicalEnvironment.
    5. Return the result of performing BindingInitialization for BindingPattern
       using value and env as the arguments.

    13.3.3.6 Runtime Semantics: IteratorBindingInitialization

    BindingElement : BindingPatternInitializer opt

    1. If iteratorRecord.[[done]] is false, then
       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
       [...]
       e. Else,
          i. Let v be IteratorValue(next).
          [...]
    4. Return the result of performing BindingInitialization of BindingPattern
       with v and environment as the arguments.

---*/
var callCount = 0;
function* g() {
  callCount += 1;
};

let [[,] = g()] = [[]];

assert.sameValue(callCount, 0);
