<html>
    <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 - Random crashes during build of Mozilla Firefox Nightly (optimized)"
   href="https://bugs.llvm.org/show_bug.cgi?id=47110">47110</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Random crashes during build of Mozilla Firefox Nightly (optimized)
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

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

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

        <tr>
          <th>OS</th>
          <td>Windows NT
          </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>Frontend
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>honzab@firemni.cz
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Captured preprocessed files and shell scripts to reproduce:
<a href="https://janbambas.cz/moz/bug1657972/stack1.tar.xz">https://janbambas.cz/moz/bug1657972/stack1.tar.xz</a>
<a href="https://janbambas.cz/moz/bug1657972/stack2.tar.xz">https://janbambas.cz/moz/bug1657972/stack2.tar.xz</a>


Original STR:
- follow the build env [setup for mozilla firefox
browser](<a href="https://firefox-source-docs.mozilla.org/setup/windows_build.html">https://firefox-source-docs.mozilla.org/setup/windows_build.html</a>)
  - EXCEPTION: use MSVC2017 instead of 2019!
- use a MOZCONFIG for an optimized `browser` build (I can provide one in case
someone needs to really do this)
- `./mach build`</pre>
        </div>
      </p>


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