<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/152873>152873</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            dereferencing million times cause sigsegv
        </td>
    </tr>

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

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

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

<pre>
    basically i just dereferenced function pointer ~4971000 times and it crash compiler; not compile error but program crash
```
$ cat sigsegv.cpp | wc
      7      18 4971366
```

just takes a little to write by yourself, godbold clang trunk for example {https://godbolt.org/z/rjE9vxMj1} if not work - full link below

also fails on local machine:
```
clang++-19: error: unable to execute command: Segmentation fault (core dumped)
clang++-19: error: clang frontend command failed due to signal (use -v to see invocation)
Debian clang version 19.1.7 (++20250114103228+cd708029e0b2-1~exp1~20250114103334.78)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/lib/llvm-19/bin
clang++-19: note: diagnostic msg: 
********************
```

`/tmp/sigsegv-405d66.cpp`
`/tmp/sigsegv-405d66.sh`
- files would take forever to scroll down, so i just upload them if you really want to 
https://drive.google.com/file/d/1bmxXwftAQ6EaioilPDBpFPoFBnifbPS0/view?usp=sharing

bug is really that simple, but some one recommended me to write bug report 


godbold full link
```https://godbolt.org/#z:OYLghAFBqd5QCxAYwPYBMCmBRdBLAF1QCcAaPECAMzwBtMA7AQwFtMQByARg9KtQYEAysib0QXACx8BBAKoBnTAAUAHpwAMvAFYTStJg1DIApACYAQuYukl9ZATwDKjdAGFUtAK4sGEgGykrgAyeAyYAHI%2BAEaYxCBmpAAOqAqETgwe3r4ByanpAqHhUSyx8Yl2mA4ZQgRMxARZPn5cgZXVArX1BEWRMXEJtnUNTTmtQ929JWUJAJS2qF7EyOwcYQQA1FTUtKhMmyYAzAAiGwCss0dWGgCC61sQ90enF1cmt%2B93ghssTGEQsw2JgA7NcbhsIRsIAAqWFw%2BEIxFI5Eo1Fo9EYzFY7E43F4/EEwlE4kk0lk8kUylU6k02l0%2BkMxlM5ks1ls9kczlc7k83l8/kCwVC4Ui0Vi8USyVS6Uy2Vy%2BUKxVK5Uq1Vq9UazVa7U63V6/UGw1G40m01m80Wy1W602212%2B0Ox1O50u11u90ez1e70%2B31%2B/0BwNB4Mh0Nh8MRyNR6Mx2Nx%2BMJxNJ5Mp1Np9MZzNZ7M53N5/MFwtF4sl0tl8sVytV6s12t1%2BsNxtN5st1tt9sdztd7s93t9/sDwdD4cj0dj8cTydT6cz2dz%2BcLxdjhR1RzIAD6ohXRzc6xhsx2ewIl0O2GoswPr0OFg2AHpbz88Ao0kYNvVgD5GARPiDjhx5rQnBnLwfgcFopCoJwbjWNYGwKIsyyYECZiHDwpAEJo/7zAA1iAhyHAAdFwGgAJz%2BMC/hnBRJHApIJFnPonCSCBmEQZwvAKCAGjoZh8xwLASBoCwSR0HE5CUEJIn0PEyAGEY64EMQXgMNhfB0AQcScRA0SsdEYT1AAnpwaF6cwxAGQA8tE2hVBh3C8EJbCCBZDC0EZYG8Fg0ReMAbhiLQnH2aQWC/EY4gecFeDELZeAAG6YIF4GYKoVReBpxm8OsmCARFtB4NExCGR4WAZehxB4CwpXxcQ0SpJgxyYKFwB5UYvF8AYwAKAAangmAAO4WUkjClfwggiGI7BSDIgiKCo6gRboXD6IYxgwZY%2Bj5ZxkDzKgSSOAIgW8Kg1XlVgW0ArY2Uxc4ECuKMLRBAw6BTP08RLSkaT7ZknjNHoH0FAwL2lAMS3tF9XQjD9YyXfY4PDD0YR9MDb0TJD2QPSukyI9MIPzPBSwrBIAFASxEWQRwGyqAAHP4AC0/iSBsskrVCinKdhgIQLghAkMhqGzLwdlaBepC4VwJEEZIGgoVTZz%2BPLXAoZRjEcMxpCgeB5McVxPEeXxMCICAiwEEkaXiRAkmicQESsKs1N0wzTNycAGyERoBFJfgRCnXoo3CKI4hTX7s1qKxi2kH1hVJBlxMcMB6useTFlpabmyoFQlM0/TjPM6%2BEBsypnMeMJVt81wAu68LOEgJIwKS1TwIkYcwLAnLJEaFNOVqxrR3sbYOtC1hKtmKTmt94PIvVWkziSEAA%3D%3D```




</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJykV0uTszqP_jX0xtVdxhACi14YAulcSCfkSjZTXBwgGExjEyCL89unIO875zIzZ_OlKCBYkh_J0mM54DxLSkI-pYkpTWZvQSNSVn9aaVAHJ1Kvev4Wsrj_DAOeRQGlPcjAveECxKQmN1KTMiIxuDVlJDJWgoplpSA1-EM1pjKEEIisIBwEZQwyAaI64CmIWFFllNSSYoKSid__AalrVoOwEaCqWVIHxUtegljS4K8LYgmpIAoE4FnCSfL4iKoKSFMLtJEEMRh_09dD1sGAQtG0f5qAeHRBBPmADdBMCEqAYKCtM0FA2IOeNTUn9CYhCyQsDhmNQUSDMgGibsoc3FgNSBcUFSVAmpqpEBWXFCwhR0LOS0F8sDqRkPOUkFPfbePRuXdZms5Adhvdblmdg3dwaygFNCtzEBLK2he8gHIGbkFGOWAloCwKKCiCKM1KMszyd3dGXBIyJWS-y4ak4Fckh5emDMKXZ6QjUSPIEOwiKONhcE-SgpQiGBfuFjRUAAnpEasJiJuiIrGEjH83_4rIrWalIGX82_YInMQgbsaZh_wK6GC64QS8P8ZvhICsfLBonPw1z4yEWVD-svkgNR9gycaH_DEdlF8IEEQTKMuqDBU0foviKdQhMggM0bv8B-kq-Y-_CCmK-jHVXxMcgjohYsDd6dp_aep7Fb3TrGy696RshvG0JkEMChYTOkhVjGedBPGi5CKglMSzbPRaQk7Dawk5NAuHO30UQ2CQE2bl_xmvkolh2UCcBUnJuMgiUPBkNDXk839w_a-8Hl6QI4pKQs6vCnlX4STWtKFQfon9_zI8fYm8g1tGCQcta2g81smQ8eRB6nH1oppRCmLWlkN9cPabE5qKsiAGIiXFkOU9a0BNRtJog1IMqhLEf6-VuM4e5CNhLKHkI2KFhJxh6mFEQo4cFt2lvQm80-wgYxndzszK2TLHLLNbuN0Pjjwy0kqK0_BKUmY8DeqsTF7BCJsEZPw3BJGOrDGU7IB64BnOCgJYSUBNhtwlZUxiUPyVCZoE1KRitQC_4gvxbzr4n8L96yr8GxFISHlKCv7210mKHfMnnuysDvvt1jddqzC92FxjR95ZEQ62toXdZ2sKF0_xrnWEuzN77CXGSux8G_c8C-Hugq1ON028YmZ5wPiIv6oWuw_s-Ie9WCbybIErbPl41_hNTo0rPrSz1T3Gc-co8ErlczuZ93md4J7g3sdfCwlNkIntwO8ss6gw_v7BP_YhaYlSq2YflBX--UqP-77TfYoKrF53ied22Ltuy0mUXC8nXF9k0z577sVeivK4ORwKsTOQsTwfl3i5Rz_O1O6_28jf7bDsHI5ilbpF7-Mnxtm8tTiH8XmeWJYm850BSenIUSFGVIaSpJwf5vaOt2iZ4OkmClO-8PgC45-z045C9qJzFhObyQ4zbP_p-FNbVRxVQo5tt9RW8xzSXM-PPT1qOUQUjlq521F3knOZciOPnjSa5rpCdQk5udWeLPWYwVOmH_f9aa8de3TqR63jqjutJscf-fRjHIPnKZgeNeWkScg5zlt5rsICyoUOz7181iBCMhq14Hcnf09gI8uNAclTJtMXBkUeHxJyoNluTNVN4SbVXa_feJrboU03DrvLbrOcuJW8qQz3-txcp-5E2Uwk5LhOKxyVUyiozk-9OGlcRuJllG86sZlwIQth8Pgp4ik3FDHwFZ-18UyN7jC-69Ghjw9a9ETxc9SK1l18Tz3Zey7wTGPpxXtGWpfyDpF2QeE3mjPebmv47SQIf1XhU9cxg7m_eZyS2WSOvW02u6fdpN6VZrlub0nksMpiyza8nzf-vF0teN_7tnXNvmZthe0lk5AzfWIsZzjtvzCOnXae4OULjWtJyElL01t-4WqxdMotK629ZRb27to-8MrC8zu7pnrXrvHeZFa79-CXPbGO9nJRwq3d47nta6rt7i6Ju0lvJsS7aB95GO55bPsHGeOyagNHi9oOz3dYFzZKT2aqWLq9DC3LvM4saF_9ue4k0CMuDtNsvSu_ULA7D9BsX01I5JCZvb4SjOeav3DUub9iJ4-YVVfo37ywsOcIU93YnTX31DO-krQzVautLl20g_tqmXS9v3Jac3L0H46O_RavMA7KpMD4Wz0f87tFb22SZPPF1NzPFkm2spiWeCG7zLSF3yXt1R-DdZ9cu3z2XCX7_TdeJGd9lcgXekrOENc-OnaRalvNyl17Jm4187CFurfe58Fhes3L--aLfUEHt2tEsbtXhGNcdveZ4feXm69uZzPoe4Y7C-FhOUO77b7J-4XhLrbPrblva3OBHbzv7PPOa-f9D8ZfWxVbA0lne5PzvD5ZWbmK02SxGzgwd9Of-XPdxjQwSWWpp3Zp29fFPGGnw_W18Nv1BbOrd7cjt6ushJgTNzp1W5tcOtdaWDhrbTsPLpmH8yKLdvaer7i8ge3zsOkjPO9tj5nO8pZ4VnlhTLFWCzU9XKZc_ll1Gcq_5PS0NGnnRq6pNZwcHFoFYdEzZ0fdAffhvnW1F7mYvK9Kl7jLk9DlFjeavv62k-WiXe3lQ7vI_ahd43K9tANn83366WpP4aH_LSw5XYlidSiEoW4Xj9M5f2Z7G2MJTZTZ6_aPPXy83uJPJTYUI3gjn_J0ok41JGuTt_RTjxUSqQEKJ7doqhkGCm-6asCpDGNV0xXyln2ODZAODXk60eDkIw4gkRGBt_CGAqhMJRWSIsjox9C6DJvTW8Z5Qz7lCdKnyhsNQkL5eCBAqCQtGEclhIbzQf059jthk3BJhTTjgv9pRmSCks8_TwZZmYAio3To5F4HgSgYmsBfXcdbU9PPf-yYmUib8FcjMNj93WBVNbuTSAypNKDhQ3Pwgvv4RP8dAAD__7x2CPQ">