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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Enable -Wimplicit-fallthrough for C"
href="https://bugs.llvm.org/show_bug.cgi?id=39382">39382</a>
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<th>Summary</th>
<td>Enable -Wimplicit-fallthrough for C
</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
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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>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Frontend
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>ndesaulniers@google.com
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<th>CC</th>
<td>chh@google.com, llozano@chromium.org, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk, srhines@google.com
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<pre>For some reason, -Wimplicit-fallthrough doesn't do anything for C code. It
doesn't produce a warning for being an unrecognized flag, it just doesn't print
any Diags.
Would be nice to have with:
<a class="bz_bug_link
bz_status_NEW "
title="NEW - Fallthrough attr should support GNU spelling __attribute__((fallthrough)) to match GCC 7"
href="show_bug.cgi?id=37135">https://bugs.llvm.org/show_bug.cgi?id=37135</a>
<a href="https://godbolt.org/z/gV_c9_">https://godbolt.org/z/gV_c9_</a></pre>
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