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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Namespace lost in modules"
href="https://llvm.org/bugs/show_bug.cgi?id=25368">25368</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Namespace lost in modules
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<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>Modules
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>geek4civic@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=15198" name="attach_15198" title="Small testcase.zip">attachment 15198</a> <a href="attachment.cgi?id=15198&action=edit" title="Small testcase.zip">[details]</a></span>
Small testcase.zip
I didn't compile lib/CodeGen/CGExprConstant.cpp with -fcxx-modules.
clang/lib/CodeGen/CGExprConstant.cpp:1041:16: error:
no matching function for call to 'cast'
return cast<ConstantAddress>(Res.getAddress());
^~~~~~~~~~~~~~~~~~~~~
llvm/include/llvm/Support/Casting.h:229:44: note:
candidate function [with X = clang::CodeGen::ConstantAddress, Y =
clang::CodeGen::Address] not viable: expects an l-value for 1st argument
inline typename cast_retty<X, Y>::ret_type cast(Y &Val) {
^
Seems namespace forwarders, Basic/LLVM.h, might not be effective there.
Appeased in r251713.
A small testcase is attached.
$ clang++ -std=c++11 -fmodules -fcxx-modules -c a.cc</pre>
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