<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=http://email.email.llvm.org/c/eJzVV01v4zYQ_TXyZSBBImXLPuiQXW-AXLbFou2dX5bYUKQgUnHz7zuk7dTJptsGMVLXEPRhkjOP781IM9zJx_Znw8LOTUNGb-BXPtswQ7UuyhoysvZh0iKYR_CjYvfadhn5DF9_u9ve3WSk8bB14l5NoAfWKQ9oBUKvwLNBxYl8DnAHfsbFIoAOsHezkTCpcXJyFgq0VDZowQx6cDatnRQzeJNcbbJym5U3h_O32UK2Kg8HZ76HXCBEkpEage47FSD_CXLoQxg97iUjt3iwMRTGPAyFm9Dgbbr1fTSNK0_Wzt3cMm087HXoo42zgRezf0GsO2eM2yNUGJm4TxT07EHBbAdEI9WoLG5QaOWfbIEwzHZ5hewi3ds0JY6C0fwwJMaxStxn9EtGt1DhaFUXZVFmzZeMfMKDlASPqimXlJQV_lFtiNys1qWoOD5uEvFIt_ZgXYDORYjBAUfGrQ9It5JHOGe_52A6IXJfneGgCOA700dzjBv1TwYj9bixC0DzQYoDEatznp52vi6QrryaUyxXyNohnNHlGx0dBXHD4CxKlkv1cHD4dlXyiEP9McbLaWLVUFKRYrW6iGRIb8RotMWMzINzGMZXC_bIbZWfQv1aQH5TUe6XpEbh_725tDV5lTl--SS_YJZ_XJr_L_LcmL-JoXer9qpk__2GPygOkFd-jcl56dR8qfJh1-9Hdn3x8mEvjle-t2_7NLxqanwMvbM0f7NErxawN7uAFbnUXRfXMeA6xFo8nrFg50qw2atYYXvwQY1xbN9r0Ud_qIth2ioZq_EfFtJx9qC9j3U6_a5CJhS-KiVjAdL4WTpgUuZoIcfS33kd3PQI48hw5UGEVK6IHl3nExoPyke0qZ94pmeqy-HzKcywtRhHN4Uf8DDN1ib-ehYgvuGZlXHLqU0Rkx4DGhEigi0WsqVyQzdswWZUZGo7MS7mybTPmegQw8wLNHZsKI6XHLua37HRwUckZsain9wu65LUi77dcVquS04bteFV0-ykahSjG0VlrWq64wtMYWV8my0_Zcvt4v0udXtILkJjHpKmWFJO5K5ZUlHXq3ons7pUA_Y6T6IupjaZ5HPncdBoH_xfgwyl7qxSJ4RBB6Pa2HWhy9SNYQuoxVOETjFA-OTulY2xdN5XLhLUNuH8E3WuLtM>54024</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            wget/bash magic installer is broken on Ubuntu 18.04
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
      </td>
    </tr>

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

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

<pre>
    Platform: Ubuntu 18.04 (strictly speaking, NVIDIA's Docker images for the same, but I suspect it would reproduce identically on the real thing)

Run ```bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)"```

Fails with:

```
The following packages have unmet dependencies:
 clang-14 : Depends: libclang-cpp14 (>= 1:14.0.0~++20220217053201+192d9680c1b1) but it is not going to be installed
            Depends: libgcc-s1 (>= 3.0) but it is not installable
            Depends: libllvm14 but it is not going to be installed
            Depends: libstdc++6 (>= 11) but 8.4.0-1ubuntu1~18.04 is to be installed
            Depends: libclang-common-14-dev (= 1:14.0.0~++20220217053201+192d9680c1b1-1~exp1~20220217173212.66) but it is not going to be installed
            Depends: llvm-14-linker-tools (= 1:14.0.0~++20220217053201+192d9680c1b1-1~exp1~20220217173212.66) but it is not going to be installed
            Depends: libclang1-14 (= 1:14.0.0~++20220217053201+192d9680c1b1-1~exp1~20220217173212.66) but it is not going to be installed
            Recommends: llvm-14-dev but it is not going to be installed
 clangd-14 : Depends: libclang-cpp14 (>= 1:14.0.0~++20220217053201+192d9680c1b1) but it is not going to be installed
             Depends: libgcc-s1 (>= 3.0) but it is not installable
             Depends: libllvm14 but it is not going to be installed
             Depends: libstdc++6 (>= 11) but 8.4.0-1ubuntu1~18.04 is to be installed
             Depends: libclang-common-14-dev (= 1:14.0.0~++20220217053201+192d9680c1b1-1~exp1~20220217173212.66) but it is not going to be installed
 lld-14 : Depends: libgcc-s1 (>= 3.0) but it is not installable
          Depends: libllvm14 (= 1:14.0.0~++20220217053201+192d9680c1b1-1~exp1~20220217173212.66) but it is not going to be installed
          Depends: libstdc++6 (>= 11) but 8.4.0-1ubuntu1~18.04 is to be installed
 lldb-14 : Depends: libclang-cpp14 (>= 1:14.0.0~++20220217053201+192d9680c1b1) but it is not going to be installed
           Depends: libgcc-s1 (>= 3.0) but it is not installable
           Depends: liblldb-14 but it is not going to be installed
           Depends: libllvm14 (= 1:14.0.0~++20220217053201+192d9680c1b1-1~exp1~20220217173212.66) but it is not going to be installed
           Depends: libstdc++6 (>= 11) but 8.4.0-1ubuntu1~18.04 is to be installed
           Depends: llvm-14-dev but it is not going to be installed
           Depends: python3-lldb-14 but it is not going to be installed
```

After digging a bit, it's because this step, which is explained on https://apt.llvm.org/ is missing:
```# Needs 'sudo add-apt-repository ppa:ubuntu-toolchain-r/test' for libstdc++ with C++20 support```

After running that command, the script succeeds.
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzVV99v4zYM_mucF8KGLTt28uCH3uUK9OU2HLa9yxJj6ypLhiU3638_yk66tNfdVlzQ5QLDP0KJ_PiRtMnGysf6V8393o59lN_A781k_ATZJkkLiNjG-VEJrx_BDcjvlWkj9hE-_3G3u7uJWOVgZ8U9jqB63qID0gK-Q3C8x7CwmTzcgZtos_CgPBzspCWMOIxWTgJBSTReCa7JgjXz3hG5ppvZ1DZKd1F6s5y_TAaiMl2OhrsOYkEQWcQKAnpo0UP8C8TQeT848iVit3TwwSdaP_SJHUnh7XzruqCadp60nZu55Uo7OCjfBR1ngherfyOse6u1PRBUGLi4nyno-APCZHpCI3FAQw4Khe5JFwjNTRtnxC7RvZuXBClo1SwiMQzZzH2Uf4ryHWQkzYokTdKo-hSxD3SwlNGRVek6Z2lGf2RbJrflJhVZQ4_bmXiiWzkw1kNrA0RvoSHGjfNEN8ojnLPfczCtELHLznDkBOAb1Ud1vNH4bwoD9eTYBaA5L8VCRHnO05Pnm4ToirNpzuWMWFvSmUy-0dAxILbvraGQxRIfFoNvj0occOCfQ7icFmZVzjKWlOVFQkb0BoxaGarI2FtLaXy1YI_cZvEp1a8F5BcM4X5Jagj8f1c3uyavssYvX-QXrPL3K_Ofos61_occ-uGovRqy_9_hd8oD4rW5xuK8dGm-jPLi9Y8ju758ebcXxyvf27d9Gl5VNTz6zpo8fnOIXm1gb_aeOnKp2jbs49AoH3rxcKaGvUHBJ4ehw3bgPA5BduiU6II9iovmyqAM3fh3G-mwulfOhT49_6ZDZjl8RpShAancJC1wKWPSEFPrb53ydnyEYeC0cwnC3K6IjkzHIyn36ALaeZ54Fs-5L4ePpzSj0WIY7Oi_w8M4GTPz13EP4Q3PjQwuz2OKGNXgSYkQAWyyknUut_mWr7zyGuswUxCaedagAUeJJ_7H4H4z2ns0ganzqWk1jbp-Tl1LoKcmIevHCeR4iWkM-kqTET0SkxNNCex2XaSsWHV1XmBVSdzkJcM0W4t9k29L0bD9hu-3-xJXVPOoXR2tP0Tr3UrVSy2xPJQdq5J13jC5r9a5KIqy2MuoSLGn0eYphquxnjE0U-tIqJXz7m8hp8i2BvGkn0-UomPdimE1Q61nnH8BUOMZPw">