<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang-tidy modernize-concat-nested-namespaces and llvm-namespace-comment together break file"
href="https://bugs.llvm.org/show_bug.cgi?id=44006">44006</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>clang-tidy modernize-concat-nested-namespaces and llvm-namespace-comment together break file
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>9.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Tooling
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>vakevk@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>compile_commands.json:
```
[
{
"directory": "/",
"command": "/usr/bin/clang++ -std=c++17 /a.cpp",
"file": "/a.cpp"
}
]
```
a.cpp:
```
namespace outer {
namespace inner {
// here is some code
void f() {}
void g() {}
}
}
```
```
clang-tidy
"--checks=-*,modernize-concat-nested-namespaces,llvm-namespace-comment" --fix
a.cpp
```
a.cpp:
```
namespace outer::inner {
// here is some code
void f() {}
void g() {}
// namespace inner} // namespace outer
```
The file no longer compiles. Expected output is:
```
namespace outer::inner {
// here is some code
void f() {}
void g() {}
} // namespace inner::outer
```</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>