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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - std::list::iterator should diagnose comparing singular and non-singular iterators"
href="https://llvm.org/bugs/show_bug.cgi?id=31343">31343</a>
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<th>Summary</th>
<td>std::list::iterator should diagnose comparing singular and non-singular iterators
</td>
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<th>Product</th>
<td>libc++
</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>Windows NT
</td>
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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>All Bugs
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>eric@efcs.ca
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>Example:
using L = std::list<int>;
using I = L::iterator;
L c = {1, 2, 3};
assert(c.begin() != L::iterator{}); // Undefined. Should diagnose.</pre>
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