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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Allow labels to be between [[clang::fallthrough]] and next switch case"
href="http://llvm.org/bugs/show_bug.cgi?id=18621">18621</a>
</td>
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<th>Summary</th>
<td>Allow labels to be between [[clang::fallthrough]] and next switch case
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</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>-New Bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>joepeck02@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=11943" name="attach_11943" title="[TEST] Example file">attachment 11943</a> <a href="attachment.cgi?id=11943&action=edit" title="[TEST] Example file">[details]</a></span>
[TEST] Example file
See attached test case.
void doSomething(char c)
{
switch (c) {
case 'a':
[[clang::fallthrough]];
label:
default:
break;
}
}
The label "label" above is between the cases and causes the clang::fallthrough
not at end warning:
label.cpp:9:13: warning: fallthrough annotation does not directly precede
switch label [-Wimplicit-fallthrough]
[[clang::fallthrough]];
^
1 warning generated.
It would be much nicer if the fall through was allowed before the label. After
the feels weird here.
See also:
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - -Wimplicit-fallthrough gets confused by a non-case label in a switch"
href="show_bug.cgi?id=18259">http://llvm.org/bugs/show_bug.cgi?id=18259</a></pre>
</div>
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