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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - using T::T inside template <typename T> not accepted,leads to bogus errors."
href="http://llvm.org/bugs/show_bug.cgi?id=15852">15852</a>
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<th>Summary</th>
<td>using T::T inside template <typename T> not accepted,leads to bogus errors.
</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>
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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++11
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<tr>
<th>Reporter</th>
<td>benjamin.redelings@duke.edu
</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>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=10429" name="attach_10429" title="Test case">attachment 10429</a> <a href="attachment.cgi?id=10429&action=edit" title="Test case">[details]</a></span>
Test case
The attached test case leads to the following compilation errors:
$ clang++ -std=c++11 test.C
test.C:32:17: error: template argument for template type parameter must be a
type
Box(const Box<T>&) = default;
^
test.C:11:19: note: template parameter is declared here
template<typename T>
^
test.C:33:22: error: unknown type name 'T'
explicit Box(const T& t):T(t) {}
^
test.C:15:41: error: template argument for template type parameter must be a
type
Box<T>* clone() const {return new Box<T>(*this);}
^
test.C:11:19: note: template parameter is declared here
template<typename T>
^
test.C:29:12: error: no member named 'T' in 'A'
using T::T;
~~~^
test.C:38:10: note: in instantiation of template class 'Box<A>' requested here
Box<A> a;
^
4 errors generated.
These errors go away if "using T::T" is commented out.</pre>
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