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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 - fall through annotation warning missing line information"
href="https://bugs.llvm.org/show_bug.cgi?id=45278">45278</a>
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<th>Summary</th>
<td>fall through annotation warning missing line information
</td>
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<th>Product</th>
<td>clang
</td>
</tr>
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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>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>rmansfield@gmail.com
</td>
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<pre>$ cat fallthrough.c
int main(int argc, char *argv[]) {
switch(argc) {
case 1:
__attribute__((fallthrough));
}
}
$ ./bin/clang fallthrough.c -Wimplicit-fallthrough
error: fallthrough annotation does not directly precede switch label
1 error generated.
$ ./bin/clang --version
clang version 11.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
bb621cac3d46f35269f4b91b2e97a3f7585aaef7)</pre>
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