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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Unnecessary warning about undefined inline for constexpr function template when used in an unevaluated context"
href="http://llvm.org/bugs/show_bug.cgi?id=16618">16618</a>
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<th>Summary</th>
<td>Unnecessary warning about undefined inline for constexpr function template when used in an unevaluated context
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>unspecified
</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>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dblaikie@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>uneval.cpp:2:15: warning: inline function 'func<int>' is not defined
[-Wundefined-inline]
constexpr int func();
^
uneval.cpp:5:17: note: used here
return sizeof(func<int>());
^
1 warning generated.
blaikie@blaikie:~/dev/scratch$ cat uneval.cpp
template<typename T>
constexpr int func();
int main() {
return sizeof(func<int>());
}
I'm not sure if this is really important/valid, but it seemed strange enough to
file.</pre>
</div>
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