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<body><span class="vcard"><a class="email" href="mailto:nikita.ppv@gmail.com" title="Nikita Popov <nikita.ppv@gmail.com>"> <span class="fn">Nikita Popov</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Wrong optimization around memset"
href="https://bugs.llvm.org/show_bug.cgi?id=49208">bug 49208</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>INVALID
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
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<td style="text-align:right;">CC</td>
<td>
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<td>nikita.ppv@gmail.com
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Wrong optimization around memset"
href="https://bugs.llvm.org/show_bug.cgi?id=49208#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Wrong optimization around memset"
href="https://bugs.llvm.org/show_bug.cgi?id=49208">bug 49208</a>
from <span class="vcard"><a class="email" href="mailto:nikita.ppv@gmail.com" title="Nikita Popov <nikita.ppv@gmail.com>"> <span class="fn">Nikita Popov</span></a>
</span></b>
<pre>You have an incorrectly placed
call void @llvm.lifetime.start.p0i8(i64 24, i8* nonnull %2)
call after a number of stores already happened into the alloca. lifetime.start
effectively overwrites the alloca with undef, thus the observed behavior.</pre>
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