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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang 3.9.1 fails to reject or even warn about some forms of assignments to const struct fields"
href="https://llvm.org/bugs/show_bug.cgi?id=31796">31796</a>
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<th>Summary</th>
<td>clang 3.9.1 fails to reject or even warn about some forms of assignments to const struct fields
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.9
</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>
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<th>Severity</th>
<td>normal
</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>markmi@dsl-only.net
</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>[The context for this was FreeBSD head -r312942
and so its clang 3.9.1 variant.]
clang 3.9.1 in FreeBSD allows the
following to compile without
complaint, even with -Wpedantic :
(Note the const between the * and the desc.)
struct mlx5_core_diagnostics_entry {
const char *const desc;
unsigned short counter_id;
} empty;
int main ()
{
struct mlx5_core_diagnostics_entry test;
test = empty;
}
gcc6, by contrast, rejects the assignment
as an error.</pre>
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