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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 - Assertion hit in opt_array_splitting with recursive array indexing"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=89607">89607</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Assertion hit in opt_array_splitting with recursive array indexing
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

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

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

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Drivers/DRI/i965
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>idr@freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>itoral@igalia.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-3d-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Recursive array indexing where more than one array is used with non-constant
indexing can lead to opt_array_splitting hitting an assertion after failing to
realize that one of the arrays is not always accessed via constant indexing.
This is present in master 1a469a34d517d4c2:

$ bin/shader_runner  opt_array_splitting_crash.test
shader_runner: opt_array_splitting.cpp:296: void
ir_array_splitting_visitor::split_deref(ir_dereference**): Assertion `constant'
failed.
Aborted (core dumped)

I'll attach the offending shader runner test.</pre>
        </div>
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