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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Assertion `result && "no existing substitution for template name"
href="https://llvm.org/bugs/show_bug.cgi?id=31460">31460</a>
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<th>Summary</th>
<td>Assertion `result && "no existing substitution for template name
</td>
</tr>
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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>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>carlphilippreh@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=17779" name="attach_17779" title="Testcase">attachment 17779</a> <a href="attachment.cgi?id=17779&action=edit" title="Testcase">[details]</a></span>
Testcase
I reduced the attached code from a project of mine, which when compiled with
clang trunk results in
clang/lib/AST/ItaniumMangle.cpp:4289: void
{anonymous}::CXXNameMangler::mangleExistingSubstitution(clang::TemplateName):
Assertion `result && "no existing substitution for template name"' failed.
Using clang++ -std=c++11 test.cpp is enough to reproduce the crash.
clang-3.9.1 compiles the code without any issues.</pre>
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