2240f6c518
Vendor 500 new real Test262 tests (total 550), relax curation filters for now-supported features (arrow functions, classes, destructuring, spread/rest, for-in/of, template literals, let/const, instanceof), add automated triage script, and track pass rate as a CI metric. 190/550 pass (34.5%). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
34 lines
857 B
JavaScript
34 lines
857 B
JavaScript
// Copyright 2019 Mike Pennisi. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-arrow-function-definitions
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description: Formal parameters may not contain duplicates
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info: |
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# 14.2 Arrow Function Definitions
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When the production
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ArrowParameters:CoverParenthesizedExpressionAndArrowParameterList
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is recognized the following grammar is used to refine the interpretation
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of CoverParenthesizedExpressionAndArrowParameterList:
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ArrowFormalParameters[Yield, Await]:
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(UniqueFormalParameters[?Yield, ?Await])
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# 14.1.2 Static Semantics: Early Errors
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UniqueFormalParameters:FormalParameters
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- It is a Syntax Error if BoundNames of FormalParameters contains any
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duplicate elements.
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negative:
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phase: parse
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type: SyntaxError
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---*/
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$DONOTEVALUATE();
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0, (a, a) => { };
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