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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Doesn't warn about the unused variable"
href="https://bugs.llvm.org/show_bug.cgi?id=40264">40264</a>
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<th>Summary</th>
<td>Doesn't warn about the unused variable
</td>
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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>FreeBSD
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>yuri@tsoft.com
</td>
</tr>
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>In this code
---begin test.cpp---
bool x(bool y) {
return !y;
}
void f() {
bool b = false;
b |= x(false);
b |= x(true);
}
---end test.cpp---
the variable 'b' in 'f' is computed but isn't used, but clang++70 doesn't warn
about this when -Wall is set.</pre>
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