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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 - leading c-style comments mangle preprocessor macro formatting (output does not compile)"
href="https://bugs.llvm.org/show_bug.cgi?id=43861">43861</a>
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<th>Summary</th>
<td>leading c-style comments mangle preprocessor macro formatting (output does not compile)
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>9.0
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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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>Formatter
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>cole.hoosier@gmail.com
</td>
</tr>
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<th>CC</th>
<td>djasper@google.com, klimek@google.com, llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=22754" name="attach_22754" title="unformatted source">attachment 22754</a> <a href="attachment.cgi?id=22754&action=edit" title="unformatted source">[details]</a></span>
unformatted source
The reformatted output fails to compile if a C-style comment exists prior to
the '#' on a line that defines a preprocessor macro.
<a href="https://godbolt.org/z/Bg2D_P">https://godbolt.org/z/Bg2D_P</a> demonstrates this if you right-click the source
window and choose "Format text".
/* A leading comment */ #define FOO (3)
int main()
{
return FOO;
}
becomes
/* A leading comment */ #define FOO(3)
int main() {
return FOO;
}</pre>
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