b4185f0ecd
Use dedicated Packed branches in GetByValue and PutByValue so in-bounds indexed accesses can skip hole checks and slot reloads. Keep Holey writes on the guarded arm, and keep append writes on the C++ slow path so PutByValue still respects non-extensible indexed objects and arrays with a non-writable length. Add a bytecode regression that exercises both append failure cases through the real js binary path. |
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