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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Bogus unused function warning for aliased symbol"
href="http://llvm.org/bugs/show_bug.cgi?id=22602">22602</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Bogus unused function warning for aliased symbol
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.5
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</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>
<tr>
<th>Component</th>
<td>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>torne@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Function aliases don't appear to count as uses for the purposes of
-Wunused-function. The output binary is correct, only the warning is wrong.
alias.c:
static void foo() {}
void bar() __attribute__((alias("foo")));
$ clang -c -Wunused-function alias.c
/home/torne/alias.c:1:13: warning: unused function 'foo'
[-Wunused-function]
static void foo() {}
^
1 warning generated.
$ clang --version
clang version 3.5
Target: x86_64-pc-linux-gnu
Thread model: posix</pre>
</div>
</p>
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