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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - jsc-tailcall: Repatching tail calls as jump should depend on the opcode, not the JS CallLinkInfo"
href="https://bugs.webkit.org/show_bug.cgi?id=147243">147243</a>
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<th>Summary</th>
<td>jsc-tailcall: Repatching tail calls as jump should depend on the opcode, not the JS CallLinkInfo
</td>
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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>528+ (Nightly build)
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>JavaScriptCore
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>basile_clement@apple.com
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<th>Blocks</th>
<td>146477
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<p>
<div>
<pre>Patch forthcoming. The apparent source of failures on ARM devices for <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - jsc-tailcall: Add new opcodes for tail calls"
href="show_bug.cgi?id=146484">https://bugs.webkit.org/show_bug.cgi?id=146484</a> looks to be that we are patching NearCalls as jump when the CallLinkInfo tells us we are a tail call.
However even for a tail call, the slow path will still have an actual call (and not jump) opcode: we should be patching based on that information instead.</pre>
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