| // Copyright (C) 2021 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-arrow-function-definitions-runtime-semantics-evaluation |
| description: The [[Extensible]] slot of arrow functions |
| info: | |
| 15.3.4 Runtime Semantics: InstantiateArrowFunctionExpression |
| [...] |
| 4. Let closure be OrdinaryFunctionCreate(%Function.prototype%, sourceText, |
| ArrowParameters, ConciseBody, lexical-this, scope). |
| |
| 10.2.3 OrdinaryFunctionCreate ( functionPrototype, sourceText, ParameterList, Body, thisMode, Scope ) |
| [...] |
| 3. Let F be ! OrdinaryObjectCreate(functionPrototype, internalSlotsList). |
| |
| 10.1.12 OrdinaryObjectCreate ( proto [ , additionalInternalSlotsList ] ) |
| 1. Let internalSlotsList be « [[Prototype]], [[Extensible]] ». |
| 2. If additionalInternalSlotsList is present, append each of its elements |
| to internalSlotsList. |
| 3. Let O be ! MakeBasicObject(internalSlotsList). |
| |
| 7.3.1 MakeBasicObject ( internalSlotsList ) |
| [...] |
| 6. If internalSlotsList contains [[Extensible]], set obj.[[Extensible]] to |
| true. |
| ---*/ |
| |
| assert(Object.isExtensible(() => {})); |
