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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - duplicate warning about deprecated destructor"
href="http://llvm.org/bugs/show_bug.cgi?id=15240">15240</a>
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<th>Summary</th>
<td>duplicate warning about deprecated destructor
</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>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</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>nlewycky@google.com
</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>This code:
struct B {
~B() __attribute__((deprecated));
};
struct X : public B { };
void test() {
X *x = new X;
delete x;
}
produces:
$ clang y.cc
y.cc:5:8: warning: '~B' is deprecated [-Wdeprecated-declarations]
struct X : public B { };
^
y.cc:2:3: note: '~B' declared here
~B() __attribute__((deprecated));
^
y.cc:5:8: warning: '~B' is deprecated [-Wdeprecated-declarations]
struct X : public B { };
^
y.cc:2:3: note: '~B' declared here
~B() __attribute__((deprecated));
^
2 warnings generated.
The issue is that the diagnostic is emitted from
MarkBaseAndMemberDestructorsReferenced, which is called twice, once from
SetCtorInitializers and once from DefineImplicitDestructor.</pre>
</div>
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