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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Backport fix for --pgo-warn-misexpect from 12 to 11"
href="https://bugs.llvm.org/show_bug.cgi?id=48403">48403</a>
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<th>Summary</th>
<td>Backport fix for --pgo-warn-misexpect from 12 to 11
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>11.0
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>release blocker
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Frontend
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>jeanmichael.celerier@gmail.com
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
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<pre>Issue is that invoking a compilation through libclang twice in the same process
gives
"clang (LLVM option parsing): for the --pgo-warn-misexpect option: may only
occur zero or one times!"
and then crashes : <a href="https://reviews.llvm.org/D66324#1680232">https://reviews.llvm.org/D66324#1680232</a>
The trivial fix is in LLVM 12 :
<a href="https://github.com/llvm/llvm-project/commit/6d2b75e0887ee87e247756c4d51733616bb2f356">https://github.com/llvm/llvm-project/commit/6d2b75e0887ee87e247756c4d51733616bb2f356</a>
It seems to apply without issues in current 11.X - could this be backported
please ?</pre>
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