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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Pass modifies its input and doesn't report it: Promote 'by reference' arguments to scalars"
href="https://bugs.llvm.org/show_bug.cgi?id=48151">48151</a>
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<th>Summary</th>
<td>Pass modifies its input and doesn't report it: Promote 'by reference' arguments to scalars
</td>
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<th>Product</th>
<td>libraries
</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>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Global Analyses
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>paulsson@linux.vnet.ibm.com
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=24153" name="attach_24153" title="reduced testcase">attachment 24153</a> <a href="attachment.cgi?id=24153&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
build-exp/bin/opt -mtriple=s390x-unknown-linux -o out.opt.ll
./tc_passmodreport.ll -O3
UNREACHABLE executed at .../llvm/lib/Analysis/CallGraphSCCPass.cpp:484!</pre>
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