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<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Diagnostic doesn't include interesting template instantiation location"
href="http://llvm.org/bugs/show_bug.cgi?id=20452">20452</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Diagnostic doesn't include interesting template instantiation location
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nicolasweber@gmx.de
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>I got this diagnostic:
..\..\third_party\WebKit\Source\wtf/PassRefPtr.h(57,16) : error(clang): member
access into incomplete type 'blink::SQLTransactionBackend'
ptr->deref();
^
..\..\third_party\WebKit\Source\wtf/RefPtr.h(59,35) : note(clang): in
instantiation of function template specialization
'WTF::derefIfNotNull<blink::SQLTransactionBackend>' requested here
ALWAYS_INLINE ~RefPtr() { derefIfNotNull(m_ptr); }
^
..\..\third_party\WebKit\Source\wtf/Vector.h(64,23) : note(clang): in
instantiation of member function
'WTF::RefPtr<blink::SQLTransactionBackend>::~RefPtr' requested here
cur->~T();
^
..\..\third_party\WebKit\Source\wtf/Vector.h(247,69) : note(clang): in
instantiation of member function 'WTF::VectorDestructor<true,
WTF::RefPtr<blink::SQLTransactionBackend> >::destruct' requested here
VectorDestructor<VectorTraits<T>::needsDestruction,
T>::destruct(begin, end);
^
..\..\third_party\WebKit\Source\wtf/Deque.h(250,29) : note(clang): in
instantiation of member function
'WTF::VectorTypeOperations<WTF::RefPtr<blink::SQLTransactionBackend>
<span class="quote">>::destruct' requested here</span >
TypeOperations::destruct(m_buffer.buffer() + m_start,
m_buffer.buffer() + m_end);
^
..\..\third_party\WebKit\Source\wtf/Deque.h(270,13) : note(clang): in
instantiation of member function
'WTF::Deque<WTF::RefPtr<blink::SQLTransactionBackend>, 0,
WTF::DefaultAllocator>::destroyAll' requested here
destroyAll();
^
..\..\third_party\WebKit\Source\wtf/Vector.h(519,64) : note(clang): in
instantiation of member function
'WTF::Deque<WTF::RefPtr<blink::SQLTransactionBackend>, 0,
WTF::DefaultAllocator>::finalize' requested here
~VectorDestructorBase() { static_cast<Derived*>(this)->finalize(); }
^
..\..\third_party\WebKit\Source\wtf/Deque.h(46,11) : note(clang): in
instantiation of member function
'WTF::VectorDestructorBase<WTF::Deque<WTF::RefPtr<blink::SQLTransactionBackend>,
0, WTF::DefaultAllocator>, WTF::RefPtr<blink::SQLTransactionBackend>, false,
false>::~VectorDestructorBase' requested here
class Deque : public VectorDestructorBase<Deque<T, inlineCapacity,
Allocator>, T, (inlineCapacity > 0), Allocator::isGarbageCollected> {
^
..\..\third_party\WebKit\Source\modules/webdatabase/DatabaseBackendBase.h(96,18)
: note(clang): forward declaration of 'blink::SQLTransactionBackend'
friend class SQLTransactionBackend;
^
1 error generated.
I think the fix is to make the destructor of a class explicit that isn't
mentioned in the diagnostic at all (the class that has a
Deque<SQLTransactionBackend> as member).</pre>
</div>
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