Strict mode Failing
Expected no error, got SyntaxError: warning: the variable "unresolvableReference" was not declared in arrow function "f"
Features:
- destructuring-binding
- default-parameters
Expected no error, got SyntaxError: warning: the variable "unresolvableReference" was not declared in arrow function "f"
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
// - src/dstr-binding/error/arrow-function-dflt.template
/*---
description: Destructuring initializer is an unresolvable reference (arrow function expression (default parameter))
esid: sec-arrow-function-definitions-runtime-semantics-evaluation
features: [destructuring-binding, default-parameters]
flags: [generated]
info: |
ArrowFunction : ArrowParameters => ConciseBody
[...]
4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, 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.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. 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.
---*/
var f = ([ x = unresolvableReference ] = []) => {};
assert.throws(ReferenceError, function() {
f();
});