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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 - llvm::DAGTypeLegalizer::ExpandIntRes_XMULO(llvm::SDNode*, llvm::SDValue&, llvm::SDValue&): Assertion `LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported XMULO!"' failed."
   href="https://bugs.llvm.org/show_bug.cgi?id=36400">36400</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>llvm::DAGTypeLegalizer::ExpandIntRes_XMULO(llvm::SDNode*, llvm::SDValue&, llvm::SDValue&): Assertion `LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported XMULO!"' failed.
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>new-bugs
          </td>
        </tr>

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

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

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>release blocker
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>new bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>ruttenberg@reservoir.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=19874" name="attach_19874" title="Reproducer">attachment 19874</a> <a href="attachment.cgi?id=19874&action=edit" title="Reproducer">[details]</a></span>
Reproducer

Reproduce with:

clang builtin-arith-overflow-17.c -O0 -S

test from gcc testsuite</pre>
        </div>
      </p>


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