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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Nested Variadic Expansions in generic lambdas don't work"
href="http://llvm.org/bugs/show_bug.cgi?id=18499">18499</a>
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<th>Summary</th>
<td>Nested Variadic Expansions in generic lambdas don't work
</td>
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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>
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<th>OS</th>
<td>Windows NT
</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>C++1y
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>faisalv@yahoo.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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</tr></table>
<p>
<div>
<pre>This code results in a crash:
auto K = [](auto ... OuterArgs) {
vp([=](auto ... Is) {
decltype(OuterArgs) OA = OuterArgs;
return 0;
}(5)...);
return 0;
};
auto M = K('a', ' ', 1, " -- ", 3.14);
Assertion failed: !Unexpanded.empty() && "Unable to find unexpanded parameter
packs", file \llvm\tools\clang\lib\Sema\SemaTemplateVariadic.cpp, line 281
If this is prioritized as important enough to fix, a patch that is in the
works, can be moved up in my queue :)</pre>
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</p>
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