<html>
    <head>
      <base href="https://llvm.org/bugs/" />
    </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 --- - "unknown version name ... used as a dependency" error with empty version definition hierarchies"
   href="https://llvm.org/bugs/show_bug.cgi?id=28349">28349</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>"unknown version name ... used as a dependency" error with empty version definition hierarchies
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lld
          </td>
        </tr>

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

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

        <tr>
          <th>OS</th>
          <td>FreeBSD
          </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>ELF
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>emaste@freebsd.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>In FreeBSD version maps we sometimes have hierarchies that add no new symbols,
for example:

FBSD_1.1 {
global:
        GSS_C_NT_ANONYMOUS;
        ...
} FBSD_1.0;

FBSD_1.2 {
} FBSD_1.1;

FBSD_1.3 {
} FBSD_1.2;

FBSD_1.4 {
} FBSD_1.3;

FBSDprivate_1.0 {
global:
        ...
        _gss_mg_collect_error;
local:
        *;
} FBSD_1.4;

LLD reports errors for this case:
unknown version name FBSD_1.3 used as a dependency
unknown version name FBSD_1.4 used as a dependency</pre>
        </div>
      </p>
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