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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - no warning expected -Wtautological-unsigned-zero-compare"
href="https://bugs.llvm.org/show_bug.cgi?id=40711">40711</a>
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<th>Summary</th>
<td>no warning expected -Wtautological-unsigned-zero-compare
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>7.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++'17
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>ankur.dedev@tuta.io
</td>
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<th>CC</th>
<td>blitzrakete@gmail.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<pre>The below code compiled with '-std=c++17 -Weverything -Wno-c++98-compat' issues
a -Wtautological-unsigned-zero-compare. I do not expect any warnings.
int main()
{
using Size_t = unsigned long;
Size_t pos{1};
if constexpr (sizeof(Size_t) > 0) { return 0; }
else { return 0 <= pos ? 0 : 1; }
}</pre>
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