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45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
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// - src/dstr-binding/error/async-gen-func-expr.template
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/*---
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description: Destructuring initializer is an unresolvable reference (async generator function expression)
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esid: sec-asyncgenerator-definitions-evaluation
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features: [async-iteration]
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flags: [generated]
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info: |
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AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
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AsyncGeneratorBody }
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[...]
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3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
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AsyncGeneratorBody, scope, strict).
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[...]
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13.3.3.7 Runtime Semantics: KeyedBindingInitialization
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BindingElement : BindingPattern Initializeropt
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[...]
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3. If Initializer is present and v is undefined, then
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a. Let defaultValue be the result of evaluating Initializer.
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b. Let v be GetValue(defaultValue).
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c. ReturnIfAbrupt(v).
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6.2.3.1 GetValue (V)
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1. ReturnIfAbrupt(V).
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2. If Type(V) is not Reference, return V.
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3. Let base be GetBase(V).
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4. If IsUnresolvableReference(V), throw a ReferenceError exception.
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---*/
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var f;
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f = async function*({ x: y = unresolvableReference }) {
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};
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assert.throws(ReferenceError, function() {
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f({});
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});
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