<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 - Long namespace closing comment is duplicated endlessly"
   href="https://bugs.llvm.org/show_bug.cgi?id=44345">44345</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Long namespace closing comment is duplicated endlessly
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </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>Formatter
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ipherian@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>djasper@google.com, klimek@google.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=22950" name="attach_22950" title="gif of the bug happening">attachment 22950</a> <a href="attachment.cgi?id=22950&action=edit" title="gif of the bug happening">[details]</a></span>
gif of the bug happening

For long namespace declarations, clang-format adds the comment at the close of
the namespace endlessly.

this code:


namespace
would::it::save::you::a::lot::of::time::if_::i::just::gave::up::and_::went::mad::now
{
        void foo();
        void bar();
}


gets turned into this, after a few formats:


namespace
would::it::save::you::a::lot::of::time::if_::i::just::gave::up::and_::
    went::mad::now {
void foo();
void bar();
} // namespace
  //
would::it::save::you::a::lot::of::time::if_::i::just::gave::up::and_::went::mad::now
  //
would::it::save::you::a::lot::of::time::if_::i::just::gave::up::and_::went::mad::now
  //
would::it::save::you::a::lot::of::time::if_::i::just::gave::up::and_::went::mad::now


...and it repeats forever.


details:

- using version 10.0.0-e20a1e486e1 
<a href="https://github.com/llvm/llvm-project/commit/e20a1e486e1">https://github.com/llvm/llvm-project/commit/e20a1e486e1</a>
- no special switches were added to clang-format, no .clang-format file present
- also occurs on 9.0.0 build for windows

expected behavior:

- only adds the end of namespace comment once</pre>
        </div>
      </p>


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      <ul>
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