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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - terrible diagnostic for missing 'typename'"
href="http://llvm.org/bugs/show_bug.cgi?id=22278">22278</a>
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<th>Summary</th>
<td>terrible diagnostic for missing 'typename'
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>C++
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>richard-llvm@metafoo.co.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>template<int N> struct Y { typedef int type; };
template<int N> void h() {
struct alignas(N) X {};
Y<alignof(X)>::type z;
}
gives:
<stdin>:4:4: error: expected ';' after expression
Y<alignof(X)>::type z;
^
;
<stdin>:4:23: error: use of undeclared identifier 'z'
Y<alignof(X)>::type z;
^
This is hopeless, and this is a really obvious case: we have a template-name
followed by a less-than.
Also note that we give a bogus fixit (why do we think a semicolon is a great
thing to insert before a '<'?), and don't recover as if the fixit is applied.</pre>
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