<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/97314>97314</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [installation] 404 on apt.llvm.org repository for noble (ubuntu 24.04) 
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          ryuujo1573
      </td>
    </tr>
</table>

<pre>
    Reproduce:

```bash
wget https://apt.llvm.org/llvm.sh -O - | sudo bash -s -- 16 all 
```

Trying to install llvm@16 on ubuntu noble (24.04). 

Error:
```
Hit:7 https://apt.llvm.org/noble llvm-toolchain-noble InRelease
Err:8 https://apt.llvm.org/noble llvm-toolchain-noble-16 Release
  404  Not Found [IP: 198.18.0.73 443]
Reading package lists... Done
E: The repository 'http://apt.llvm.org/noble llvm-toolchain-noble-16 Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
+ apt-get update
Hit:1 http://archive.ubuntu.com/ubuntu noble InRelease
Hit:3 http://archive.ubuntu.com/ubuntu noble-updates InRelease
Hit:4 http://security.ubuntu.com/ubuntu noble-security InRelease
Hit:5 http://archive.ubuntu.com/ubuntu noble-backports InRelease
Ign:2 https://apt.llvm.org/noble llvm-toolchain-noble-16 InRelease
Hit:6 https://apt.llvm.org/noble llvm-toolchain-noble-18 InRelease
Hit:7 https://apt.llvm.org/noble llvm-toolchain-noble InRelease
Err:8 https://apt.llvm.org/noble llvm-toolchain-noble-16 Release
  404  Not Found [IP: 198.18.0.73 443]
Reading package lists... Done
E: The repository 'http://apt.llvm.org/noble llvm-toolchain-noble-16 Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
```

I have no idea.
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsls2O2zYQx5-GugwkiNSnDzp44xrdS1ps0wegxJHEhCYFfmzgty8orV07MQJkcw1g2AZF_f7_GQ6H5M7JSSN2pHoi1SHhwc_GdvYcwmdDq6ZIeiPO3Qsu1ogwICn2JD-Q_PJd59un527ehr5O6GH2fnFxLjsSduSLz5R6PWXGToQd179uhvQvSIE0H8AFYSASIHWQpkBr4ErBNxK3up_sWeoJvAGpnY-TI5SUOa3BaAh90D6ANr1CIKxlZZaXhO0yuIX8Ya2x_wd0r_On9KTYNz-OZBOIA6k3Rg0zlzrdBp_1CyrkDq9apNi378WltIY7HkCZlwAfjYejCVoAqZ6e_ybFHuiuzWib5VlTQFkWpDpsb7wgFzFnCx--8AlBSeddlmVwMPpiMr7_aUawuBgnvbFnIKyJnn_NMmtAGHSgjYeZvyLwyyMYpcJsk_8Y5f9dBPfR52jNCVwYZuC3fgauCWs89AjCaASHQ7CozoR9AK4FSAd-RoujsQhCOt4rFNCfQeDIg_K3Wv8gAl98ujEIa1vCdnDieokJGo29E7bIvTR6VQkOLQxGj3IKdhsW6LlU7o1P2NOKjpshxJDwtqwo3OfUDrN8xWwr22wwJ8KOdzX8TTVtlOInKelmxD2mlfe0NSfSn3-Au0x5zKt-1l3Phy-Lsf47f8-TJsWe_creeeiwfj-xfUz83S5-t4v3tYtHh9zzFrw2IAXyLBFdIXbFjifY0Ybu2iqvaZXMHecjFtWuqFlDC9aLMW_7vG7Gqu6RctYmsmM5K_Mmp7SmdVVlVYko6rpC2oz50DBS5njiUl2XKpHOBex2TUHLRPEelVtvCIxp_ArrQ8JYvDDYbl3NPkyOlPlWJVeKl16tV4u3U3oNnVSHtRpjbm6q4zZ5MZfXw_utSVzOcEiCVd39xpikn0P_1lTWm8D2ky7WfMbBE3ZcPTvCjltMrx37LwAA__8Vf99b">