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    <head>
      <base href="https://bugs.llvm.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Unsupported value of LLVM_USE_SANITIZER: Address;Undefined"
   href="https://bugs.llvm.org/show_bug.cgi?id=44299">44299</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Unsupported value of LLVM_USE_SANITIZER: Address;Undefined
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libc++
          </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>enhancement
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>All Bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>david@doublewise.net
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre><a href="https://llvm.org/docs/CMake.html">https://llvm.org/docs/CMake.html</a> state "Possible values are Address, Memory,
MemoryWithOrigins, Undefined, Thread, and Address;Undefined."

libcxx refuses to allow "Address;Undefined" as an option.


CMake Warning at /home/david/llvm-concepts/libcxx/CMakeLists.txt:696 (message):
  Unsupported value of LLVM_USE_SANITIZER: Address;Undefined
Call Stack (most recent call first):
  /home/david/llvm-concepts/libcxx/CMakeLists.txt:710 (get_sanitizer_flags)


This combination should be allowed.</pre>
        </div>
      </p>


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