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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Diagnostic issued for function parameter pack following a default argument"
href="https://llvm.org/bugs/show_bug.cgi?id=23029">23029</a>
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<th>Summary</th>
<td>Diagnostic issued for function parameter pack following a default argument
</td>
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<th>Product</th>
<td>clang
</td>
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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>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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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>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>oktal3700@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>Ubuntu clang version 3.7.0-svn229234-1~exp1 and in earlier versions.
Clang issues a diagnostic (missing default argument on parameter) for the
following (well formed) code: <a href="http://goo.gl/aIoi1f">http://goo.gl/aIoi1f</a>
template <typename... Ts>
void f(int = 0, Ts...) {}
int main() {
f(42);
}
8.3.6/4: In a given function declaration, each parameter subsequent to a
parameter with a default argument shall have a default argument supplied in
this or a previous declaration or shall be a function parameter pack.
>From <a href="http://stackoverflow.com/q/29098835/1639256">http://stackoverflow.com/q/29098835/1639256</a></pre>
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