tc39/ecma262

Index conversion in ArrayAccumulation

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#1,095 opened on 2018年2月9日

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good first issueneeds consensusneeds test262 testsnormative change

説明

ArrayAccumulation computes the array index via ToString(ToUint32(nextIndex+padding)). This means the index may become 2^32-1. But that's not a valid array index anymore since it is the max value of the length property.

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