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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - if a module is unavailable, do not silently treat a #include of one of its headers as a textual include"
href="http://llvm.org/bugs/show_bug.cgi?id=20507">20507</a>
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<th>Summary</th>
<td>if a module is unavailable, do not silently treat a #include of one of its headers as a textual include
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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>Linux
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Modules
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>richard-llvm@metafoo.co.uk
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<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
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<pre>If a module is unavailable, and we see a #include of one of its headers, we
silently textually include that header, which will lead to very difficult to
diagnose compilation performance problems, weird errors while compiling, and so
on.
We should error on this case.</pre>
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