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Normative: toSorted is implementation-defined for inconsistent toStri…
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…ng (tc39#3424)
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bakkot authored and kimjg1119 committed Nov 20, 2024
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Expand Up @@ -39797,7 +39797,7 @@ <h1>
1. [id="step-array-sort"] Sort _items_ using an implementation-defined sequence of <emu-meta effects="user-code">calls to _SortCompare_</emu-meta>. If any such call returns an abrupt completion, stop before performing any further calls to _SortCompare_ and return that Completion Record.
1. Return _items_.
</emu-alg>
<p>The <dfn id="sort-order">sort order</dfn> is the ordering of _items_ after completion of step <emu-xref href="#step-array-sort"></emu-xref> of the algorithm above. The sort order is implementation-defined if _SortCompare_ is not a consistent comparator for the elements of _items_. When SortIndexedProperties is invoked by <emu-xref href="#sec-array.prototype.sort">Array.prototype.sort</emu-xref>, the sort order is also implementation-defined if _comparator_ is *undefined*, and all applications of ToString, to any specific value passed as an argument to _SortCompare_, do not produce the same result.</p>
<p>The <dfn id="sort-order">sort order</dfn> is the ordering of _items_ after completion of step <emu-xref href="#step-array-sort"></emu-xref> of the algorithm above. The sort order is implementation-defined if _SortCompare_ is not a consistent comparator for the elements of _items_. When SortIndexedProperties is invoked by <emu-xref href="#sec-array.prototype.sort">Array.prototype.sort</emu-xref> or <emu-xref href="#sec-array.prototype.tosorted">Array.prototype.toSorted</emu-xref>, the sort order is also implementation-defined if _comparator_ is *undefined*, and all applications of ToString, to any specific value passed as an argument to _SortCompare_, do not produce the same result.</p>
<p>Unless the sort order is specified to be implementation-defined, it must satisfy all of the following conditions:</p>
<ul>
<li>
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