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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Polymorphic operands in operators coerces downstream values to double."
href="https://bugs.webkit.org/show_bug.cgi?id=151793">151793</a>
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<th>Summary</th>
<td>Polymorphic operands in operators coerces downstream values to double.
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Local Build
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>JavaScriptCore
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>mark.lam@apple.com
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<pre>With the addition of support for polymorphic operands to operators in the DFG and FTL, the PredictionPropagationPhase may now coerce downstream math operations to use double type. This may result in performance pathologies. We should investigate a way to mitigate this.</pre>
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