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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Create unique name for weak symbol on coff."
href="https://llvm.org/bugs/show_bug.cgi?id=27896">27896</a>
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<th>Summary</th>
<td>Create unique name for weak symbol on coff.
</td>
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<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>MC
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
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<th>Reporter</th>
<td>rafael.espindola@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>david.majnemer@gmail.com, llvm-bugs@lists.llvm.org, rnk@google.com
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Given
---------------------------
.data
.weak a
a:
.long 42
---------------------------
MC always creates a .weak.a.default. That means that given any two files that
define a "weak" symbol "a", there will be a link error (duplicated
.weak.a.default).
With gas one gets slightly more unique names. It looks like it uses the
previous global. Given
--------------------------
.global foobar
.data
.weak a
a:
.long 42
-------------------------
it produces .weak.a.foobar and given
-------------------------
.global zed
.data
.weak a
a:
.long 42
-------------------------
it produces .weak.a.zed.
I don't think how we get a more unique name is particularly important, just
that we do.</pre>
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