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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 --- - Crash on invalid (dyn_cast a nullptr)"
href="http://llvm.org/bugs/show_bug.cgi?id=20525">20525</a>
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<th>Summary</th>
<td>Crash on invalid (dyn_cast a nullptr)
</td>
</tr>
<tr>
<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>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<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>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>popizdeh@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>
</tr></table>
<p>
<div>
<pre>Foo is undeclared and clang ends up calling dyn_cast on nullptr in
Sema::FinalizeDeclaration.
clang -cc1 -fsyntax-only
struct test
{
template <bool B, typename T = void> struct enable_if;
template <typename T> struct enable_if<true, T> { typedef T Type; };
template <typename T>
static typename enable_if<Foo<T>::bar, void>::Type method()
{
}
};</pre>
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