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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - -Wtautological-compare / -Wtautological-constant-out-of-range-compare is just broken."
href="https://bugs.llvm.org/show_bug.cgi?id=34147">34147</a>
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<th>Summary</th>
<td>-Wtautological-compare / -Wtautological-constant-out-of-range-compare is just broken.
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>-New Bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>lebedev.ri@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>unsigned char draw[8];
unsigned short v;
int main() {
static_assert(sizeof(unsigned short) == 2, "111");
unsigned short* dest = (unsigned short*)(draw);
if (dest[0] < 0 || dest[0] > 65535)
(void)dest;
// Expected it to complain about both the comparisons.
if (v < 0 || v > 65535)
(void)dest;
// Expected it to complain about both the comparisons.
if (v > 65536)
(void)dest;
// But here it complains. Off by one.
return 0;
};</pre>
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