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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang also checks for invalid declarations in unused headers contained in used modules."
href="https://bugs.llvm.org/show_bug.cgi?id=32169">32169</a>
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<th>Summary</th>
<td>Clang also checks for invalid declarations in unused headers contained in used modules.
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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
</td>
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<th>Severity</th>
<td>normal
</td>
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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>teemperor@gmail.com
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<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
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<pre>Created <span class=""><a href="attachment.cgi?id=18061" name="attach_18061" title="Failing clang testcase">attachment 18061</a> <a href="attachment.cgi?id=18061&action=edit" title="Failing clang testcase">[details]</a></span>
Failing clang testcase
When a module contains headers that are never directly used, they will still be
checked for incompatible declarations. This breaks working code when
transitioning to modules. See the attached clang test case for an example.
(Note: I'm not sure if this is an actual bug or if such behavior is undefined
when considering how modules work).</pre>
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