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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - error: declaration of constexpr static data member 'var' requires an initializer"
href="https://llvm.org/bugs/show_bug.cgi?id=26869">26869</a>
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<th>Summary</th>
<td>error: declaration of constexpr static data member 'var' requires an initializer
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.8
</td>
</tr>
<tr>
<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>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>C++11
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jtony@ca.ibm.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>
<p>
<div>
<pre>clang 3.6/3.8 both fail to compile the following test case while g++ can
compile it successfully.
-bash-4.2$ cat reduce.cpp
enum E1 { e1, e2 = 3, e3 };
template <class C> struct S { static constexpr E1 var = e1; };
template <> constexpr E1 S<int>::var;
-bash-4.2$
-bash-4.2$ clang++ -m64 reduce.cpp -std=c++11 -c
reduce.cpp:3:34: error: declaration of constexpr static data member 'var'
requires an initializer
template <> constexpr E1 S<int>::var;
^
1 error generated.
-bash-4.2$
-bash-4.2$ g++ -m64 reduce.cpp -std=c++11 -c
-bash-4.2$</pre>
</div>
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