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    <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 - clangd with compilation database and -stdlib=libc++"
   href="https://bugs.llvm.org/show_bug.cgi?id=43902">43902</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>clangd with compilation database and -stdlib=libc++
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang-tools-extra
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </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>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>clangd
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>fredrik.slattman@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=22768" name="attach_22768" title="Output from both NeoVim and clangd when it fails">attachment 22768</a> <a href="attachment.cgi?id=22768&action=edit" title="Output from both NeoVim and clangd when it fails">[details]</a></span>
Output from both NeoVim and clangd when it fails

When using clangd together with a compilation database which contains the
compiler flag -stdlib=libc++ clangd fails to find system headers.

I have created a git repo containing a reduced repro with logs that can be 
 found here: <a href="https://github.com/fredrikslattman/clangd-libcpp">https://github.com/fredrikslattman/clangd-libcpp</a>.

Development Environment:
  Ubuntu 18.0.4 LTS
  LLVM/Clang-9 installed through apt-get
  CMake 3.15
  NeoVim 0.3.8 (with autozimu/LanguageClient 0.1.153)

clangd is being invoked with the --compile-commands-dir= which picks up the
correct compilation database.</pre>
        </div>
      </p>


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