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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang failed to report ambiguous member function calls with the same name but different signature that are inherited from multiple bases"
href="http://llvm.org/bugs/show_bug.cgi?id=20031">20031</a>
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<th>Summary</th>
<td>clang failed to report ambiguous member function calls with the same name but different signature that are inherited from multiple bases
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>3.4
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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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++11
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>hui.li@me.com
</td>
</tr>
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<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Clang compiles the following code fine, which is incorrect because operator()
should be ambiguous (as gcc4.8 is able to report).
#include <type_traits>
#include <functional>
template < typename... Sig >
struct function
: std::function<Sig>...
{
template < typename F >
explicit function(const F& f)
: std::function<Sig>(f)...
{}
};
struct func
{
template < typename... Args >
void operator()(Args&&...) const
{}
};
int main()
{
func f0;
function<void(int),void(double)> f1(f0);
f1(0);
}</pre>
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