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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - lvalue is not a null pointer constant"
href="http://llvm.org/bugs/show_bug.cgi?id=16775">16775</a>
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<th>Summary</th>
<td>lvalue is not a null pointer constant
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>3.2
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>vanyacpp@gmail.com
</td>
</tr>
<tr>
<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>
<div>
<pre>Clang accepts the following code:
const int a = 0;
void* b = a;
According to [conv.ptr]p1:
A null pointer constant is an integral constant expression (5.19) prvalue of
integer type that evaluates to zero or a prvalue of type std::nullptr_t.
I believe this code should be rejected as expression "a" is not a prvalue.</pre>
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