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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - -XDemangler option does not work with llvm-cov report"
href="https://llvm.org/bugs/show_bug.cgi?id=31394">31394</a>
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<th>Summary</th>
<td>-XDemangler option does not work with llvm-cov report
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>-New Bugs
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>dane@mapbox.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>I've noticed that passing `-Xdemangler=c++filt -Xdemangler="-n"` to `llvm-cov
show` works. In cases where llvm-cov outputs an `Unexecuted instantiation: ...`
with `-format text` those demangler options correctly demangle the warning
output.
However with `llvm-cov report` I see output like:
<a href="https://gist.github.com/springmeyer/fb0333eb06bdf905e412227609d447df">https://gist.github.com/springmeyer/fb0333eb06bdf905e412227609d447df</a>. Basically
the demangling does not work. I can however get it to work by simply piping the
output like `report ./fixture-tester
-instr-profile=wagyu-fixture-test-coverage.profdata include/ --use-color |
c++filt -n`
I am seeing this bug on OS X with clang++ trunk at
acc4bb8e6635f972b5ae00d961eb68abadcc7120.</pre>
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