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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Template instantiation marks decl invalid after it is completely defined"
href="http://llvm.org/bugs/show_bug.cgi?id=22041">22041</a>
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<th>Summary</th>
<td>Template instantiation marks decl invalid after it is completely defined
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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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>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>david.majnemer@gmail.com
</td>
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<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
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<pre>consider:
struct A;
template <typename T> struct SS { template <typename U> struct X; };
template <typename T> template <A> struct SS<T>::X<A *> { SS<int> X; };
Sema::InstantiateClass will call ActOnFields. ActOnFields will mark the class
as defined. After that point, we will try to
InstantiateClassTemplatePartialSpecialization. However, this will fail causing
us to setInvalidDecl() after the class has been defined.</pre>
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