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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 --- - Bogus error when calling variadic template member function"
href="http://llvm.org/bugs/show_bug.cgi?id=15575">15575</a>
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<th>Summary</th>
<td>Bogus error when calling variadic template member function
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<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>
<tr>
<th>Reporter</th>
<td>zeratul976@hotmail.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>For the following code:
struct blank {};
template <typename T>
struct result_builder
{
template <typename... Blanks>
void apply(Blanks... blanks);
};
template <typename T>
void waldo()
{
result_builder<T> r;
typedef decltype(r.apply(blank{})) wally;
};
int main()
{
waldo<int>();
}
clang (r177790) gives the following compiler error:
test.cpp:131:24: error: no matching member function for call to 'apply'
typedef decltype(r.apply(blank{})) wally;
~~^~~~~
test.cpp:136:5: note: in instantiation of function template specialization 'wal
waldo<int>();
^
test.cpp:124:10: note: candidate function not viable: requires 0 arguments, but
void apply(Blanks... blanks);
^
I believe this code is valid. It compiles with GCC.</pre>
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