<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/106083>106083</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [DFAJumpThreading] crash since b167ada
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
            UsmanNadeem
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          JonPsson1
      </td>
    </tr>
</table>

<pre>
    Seeing many assertions that go away if I revert b167ada "[DFAJumpThreading] Rewrite the way paths are enumerated (#96127)".

```
clang-20 -cc1 -triple s390x-unknown-linux-gnu -target-cpu z15 -O3 -w -mllvm -enable-dfa-jump-thread -o /dev/null -emit-llvm -x ir  tc_dfa-jt_invalidbbarg.ll
...
10 0x000002aa0a73e544 (anonymous namespace)::DFAJumpThreading::run
...
```

```
clang-20 -cc1 -triple s390x-unknown-linux-gnu   -target-cpu z16 -O3 -w -mllvm -enable-dfa-jump-thread -o /dev/null -emit-llvm -x ir tc_select_mustbedeadnow.ll
...
#10 0x000002aa1b0c0968 llvm::DFAJumpThreadingPass::run
...

```
[tcs_dfa-jt.tar.gz](https://github.com/user-attachments/files/16750050/tcs_dfa-jt.tar.gz)

</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJyslEuPpDYUhX-N2VwZGZvngkW3SkiZRTLKY926mFvgiTElP6q659dHUBVF6e5kNQhhATqHcz-LgyGY2RH1rHpmUv4RVnQ_40S0MilZdcowxWXz_ZfNfQ1hc0U2btNb_xuRcTOs6N4AQyAfzeYCxAUjzBvgDd_AnOEn8HQlH2Es6gYnhMP0-TQ8fUnr5ffFE07Gzaw6wa908yYSxIVgV18wLgHQE5BLK3mMNAGTLZOqqwvZMNkxKXMmTkw8Pa61eJzHrbboZi4FcK0L4NGbiyUIqhOvPLk_3XZz3BqXXvnsEvCIfqbI9SXB96IC_osCfgO-WntdgZPD0RKfzsi_pfXC45Ed-AZMDhNdmRxcshY4rSbyu-YVjAeI-uVQxRfjrmjNNI7o59zae8o8f8xQCBCvYj8kosBGUVWW-8ToNve2bimAw5XCBTXtw6snpp4-kDye-uTemb9D8wN4wTti9Q8jFvVLIEs6vqwpxJEmwsltt4_EmFT_glaMQouubmE3-5zPVwzhPxl9Sqp6jjo8djCP6PP5O6tOTLZLjJfDSw5MDrOJSxpzva1MDimQ5xgj6mUlFwOTw9lY2teibiohKsHk8NFXdvePZlOvpk51mFFfNLKsWyVUmS19XanufJZjJ5qxG8-6UPW5HOVIdVcVXdNmppdClqKVdVGqplB51epWVrocRdc2QmlWClrR2HxnlG9-zkwIifpC1KJVmcWRbHiUgaMbHG8fVeD7XcTHNAdWCmtCDP_YRBPt0SKf_dzaY1ggGKfp7yrIkrf9_zA89vC-8IvfvpGOTA5HnIPjPe-1l38FAAD__5tidR8">