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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Macro inhibits -Wtautological-compare warning"
href="https://llvm.org/bugs/show_bug.cgi?id=25766">25766</a>
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<th>Summary</th>
<td>Macro inhibits -Wtautological-compare warning
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Driver
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>steveire@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>With this code:
#define MY_ASSERT(_expr_) \
{ (void)((_expr_)); }
int main()
{
unsigned int foo = 0;
MY_ASSERT(foo >= 0);
{ (void)((foo >= 0)); }
}
the line with the macro does not emit a warning.
The expanded version of the macro content does issue a warning.</pre>
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