text: // This file was procedurally generated from the following sources:
  // - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
  // - src/dstr-binding/error/func-decl-dflt.template
  /*---
  description: Destructuring initializer is an unresolvable reference (function declaration (default parameter))
  esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
  features: [destructuring-binding, default-parameters]
  flags: [generated]
  info: |
      FunctionDeclaration :
          function BindingIdentifier ( FormalParameters ) { FunctionBody }
  
          [...]
          3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody,
             scope, strict).
          [...]
  
      9.2.1 [[Call]] ( thisArgument, argumentsList)
  
      [...]
      7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
      [...]
  
      9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
  
      1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
      [...]
  
      9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
  
      [...]
      23. Let iteratorRecord be Record {[[iterator]]:
          CreateListIterator(argumentsList), [[done]]: false}.
      24. If hasDuplicates is true, then
          [...]
      25. Else,
          b. Let formalStatus be IteratorBindingInitialization for formals with
             iteratorRecord and env as arguments.
      [...]
  
      13.3.3.7 Runtime Semantics: KeyedBindingInitialization
  
      BindingElement : BindingPattern Initializeropt
  
      [...]
      3. If Initializer is present and v is undefined, then
         a. Let defaultValue be the result of evaluating Initializer.
         b. Let v be GetValue(defaultValue).
         c. ReturnIfAbrupt(v).
  
      6.2.3.1 GetValue (V)
  
      1. ReturnIfAbrupt(V).
      2. If Type(V) is not Reference, return V.
      3. Let base be GetBase(V).
      4. If IsUnresolvableReference(V), throw a ReferenceError exception.
  ---*/
  
  function f({ x: y = unresolvableReference } = {}) {}
  
  assert.throws(ReferenceError, function() {
    f();
  });
  