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<body><span class="vcard"><a class="email" href="mailto:vlad@tsyrklevich.net" title="Vlad Tsyrklevich <vlad@tsyrklevich.net>"> <span class="fn">Vlad Tsyrklevich</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - -fsanitize=cfi-icall inhibits dead code stripping for mixed ThinLTO/native builds"
href="https://bugs.llvm.org/show_bug.cgi?id=37474">bug 37474</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - -fsanitize=cfi-icall inhibits dead code stripping for mixed ThinLTO/native builds"
href="https://bugs.llvm.org/show_bug.cgi?id=37474#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - -fsanitize=cfi-icall inhibits dead code stripping for mixed ThinLTO/native builds"
href="https://bugs.llvm.org/show_bug.cgi?id=37474">bug 37474</a>
from <span class="vcard"><a class="email" href="mailto:vlad@tsyrklevich.net" title="Vlad Tsyrklevich <vlad@tsyrklevich.net>"> <span class="fn">Vlad Tsyrklevich</span></a>
</span></b>
<pre>I never followed-up on this. The size increase for nacl_helper was eliminated
by enabling summary emission for the regular LTO portion of the build [1] and
only emitting jumptable entries if functions are address-taken in live
functions (rather than just being address-taken in live or dead functions.)
Though this doesn't address the case of bitcode->native->bitcode references,
this did not turn out to be a factor in the nacl_helper size increase. Closing
as the size increase has been fixed.
[1] <a href="https://reviews.llvm.org/D47594">https://reviews.llvm.org/D47594</a>
[2] <a href="https://reviews.llvm.org/D47652">https://reviews.llvm.org/D47652</a></pre>
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