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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang-cl driver does not add -fimplicit-module-maps"
href="https://bugs.llvm.org/show_bug.cgi?id=43391">43391</a>
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<th>Summary</th>
<td>clang-cl driver does not add -fimplicit-module-maps
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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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>Driver
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>trass3r@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>int main()
{}
$ clang++ -fmodules -fmodules-cache-path=cache -v test.cpp
$ clang-cl -Xclang -fmodules -Xclang -fmodules-cache-path=cache -v test.cpp
The clang++ variant automatically adds -fimplicit-module-maps as described in
<a href="https://clang.llvm.org/docs/Modules.html#command-line-parameters">https://clang.llvm.org/docs/Modules.html#command-line-parameters</a>.
The clang-cl line doesn't, making it silently fail to use modules.</pre>
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