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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - variadic template arguments deduction"
href="http://llvm.org/bugs/show_bug.cgi?id=19878">19878</a>
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<th>Summary</th>
<td>variadic template arguments deduction
</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>Windows NT
</td>
</tr>
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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>
</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>
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<th>Reporter</th>
<td>vanyacpp@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>This code is accepted by MSVC, but it is rejected by clang. Because clang can
not deduce template for T. I don't know which compiler is right, but behavior
of MSVC seems reasonable.
template<class ...T>
struct X
{};
template<class ...T>
void foo(X<T, T...>... a);
void test()
{
foo(X<int, int, double>(), X<double, int, double>());
}</pre>
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