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<base href="https://bugs.webkit.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - OSR exit loop for InBounds HasIndexedProperty that exits because of holes"
href="https://bugs.webkit.org/show_bug.cgi?id=233596">233596</a>
</td>
</tr>
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<th>Summary</th>
<td>OSR exit loop for InBounds HasIndexedProperty that exits because of holes
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
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<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
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<th>Hardware</th>
<td>Unspecified
</td>
</tr>
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<th>OS</th>
<td>Unspecified
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>Normal
</td>
</tr>
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<th>Priority</th>
<td>P2
</td>
</tr>
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<th>Component</th>
<td>JavaScriptCore
</td>
</tr>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>sbarati@apple.com
</td>
</tr></table>
<p>
<div>
<pre>Something like this is an exit loop in "func":
function test1() {
function func(o) {
return 0 in o;
}
noInline(func);
let o = {__proto__:[0, 1]};
o[2] = 4;
for (let i = 0; i < 10000; ++i) {
func(o);
}
assert(func(true, o));
}
test1();</pre>
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