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<body><span class="vcard"><a class="email" href="mailto:ncw@realvnc.com" title="Nicholas Wilson <ncw@realvnc.com>"> <span class="fn">Nicholas Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Wasm backend COMDAT support"
href="https://bugs.llvm.org/show_bug.cgi?id=35533">bug 35533</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Wasm backend COMDAT support"
href="https://bugs.llvm.org/show_bug.cgi?id=35533#c22">Comment # 22</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Wasm backend COMDAT support"
href="https://bugs.llvm.org/show_bug.cgi?id=35533">bug 35533</a>
from <span class="vcard"><a class="email" href="mailto:ncw@realvnc.com" title="Nicholas Wilson <ncw@realvnc.com>"> <span class="fn">Nicholas Wilson</span></a>
</span></b>
<pre>Working COMDAT support was merged in r322415 (<a href="https://reviews.llvm.org/D40845">https://reviews.llvm.org/D40845</a>)
for LLD, <a href="https://reviews.llvm.org/D40844">https://reviews.llvm.org/D40844</a> for LLVM.
The model uses "COMDAT groupings" of symbols that are linked/discarded
together. We don't have GC yet, so the symbols are selected together
automatically, and the "discard these syms together" behaviour is explicit. The
implementation matches the ELF linker's implementation of COMDAT groups - but
that could be revised in future.</pre>
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