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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - -Wincompatible-pointer-types treats constnat strings as NSString even when -fconstant-string-class is used"
href="https://llvm.org/bugs/show_bug.cgi?id=27131">27131</a>
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<th>Summary</th>
<td>-Wincompatible-pointer-types treats constnat strings as NSString even when -fconstant-string-class is used
</td>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>FreeBSD
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>-New Bugs
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>pete@twisted.org.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>When using an alternative class for constant strings (i.e. I am not using OS X
or GNUStep ) then warning for incompatible types are generated, which appear to
be based on still using NSString as the class of the constant string. For
example this code:
MyConstStr *s;
s = @"foo";
will generate this error
test.m:21:7: warning: incompatible pointer types assigning to 'MyConstStr *'
from 'NSString *' [-Wincompatible-pointer-types]
s = @"foo";
This works fine under gcc 4 and 5. Note that the resulting code works fine, it
is just the warning which is wrong.</pre>
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</p>
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