<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=http://email.email.llvm.org/c/eJylUk1v2zAM_TXyRbAhS7GbHHzIV4ECBXYosJ5libZVKJIhyWmyXz_aWbFhSIdhA2iRMik-8pGt19fmRZ5GC1R5DURsCTsQtiU1-yHLFdx0okdKHnb0Qok40Gi-ge8IX9Obi_AtJXyDEQcidndzPLmzVzIZ7z5DIXxFlZWup3lMGmFUWdJ8BC1dMormr9JaPOGSgpz1GcI1Dcb1d7MdLyOoBJpqI3vnI6aInyKLffRTUEjAEWNK_HiNB32Xwc0AaD69fKF72vnQGh1njT5NA3QQwCmINHmk4GHmAxVN1xH_kWqXv350QKrDXfStSpO0f1mn87eWsdB7EV8hxD9QfKO3FAUrGPWOXtZ1Xq9m69m46fLbm0w3Qm_ERmZySoMPzXjyoRTZFGwzpDQudfJHlN6kYWoL5bH3R2vPHyofg3_DMeDVxDhBRKMS1brOhgZq0bXdWjMGupQbJmompVQVE7prgUNmZQs2Nsgh4dzBO11SoI1EZv9fgWk44yhsVdasFKzYdKoCwVmtQEgJNVkxOEljizlP4UOfhWZJ2U59RKc1McWfThmj6R3AUjBWmEyy0Oxnxuf9OSE8Du7XMeO-8H9ZK3yWLc00SyffAaT9HPs>53586</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Clang: missing diagnostics "ISO C forbids forward references to 'enum' types"
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          pmor13
      </td>
    </tr>
</table>

<pre>
    Sample code:
```
enum E { x = sizeof( enum E* ) };
```
Invocation:
```
$ clang -std=c11 -pedantic -Wall -Wextra -Weverything
```
Expected diagnostics:
```
<source>:1:26: warning: ISO C forbids forward references to 'enum' types [-Wpedantic]
```
Actual diagnostics:
```
<nothing>
```
Version:
```
clang 13.0.0 on x86-64 on Linux
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJydUU2PmzAQ_TXmYoEMBiccOORTWmmlHlbqno0ZiFeOjWyTTfrrO5CuWlXZVVXJeMbMx3vzpnXdrXmR59EAVa4DwjeE7QnbEMF-neUJdjrTAyWrLb1Swvc06B_gelKs6T1Eig0lRY0Ze8K3D3s82YtTMmpnP0MhRUmVkXagaYgdwqg8p-kInbRRK5q-SmPwhmv0crYX8Ld40nZ42O1wHUFF6Gin5WBdwBbhU2S-C27yCgU4YE6OXyHwou_S2xkA3aeXb3RHe-db3YXZYqyjHnrwYBUEGh1KsJr1QEPjbcR_pNqmrx8TkGr_EH2j4iTNP_K07j4yEn2U8R18-ELiu7w5z1jGqLP0uhapKGfvWdvp-ldN0jW8q3ktk6ijgWY3V89anHUISOJPyjh78T8SYVkyedOcYhyXuYsjnkHH09RmymHi0ZjLh0lH795wrfhECtNcfqx4tRbJqekkyyvRSp739UrUQvY5W8uKcdGXbFWuEyNbMKHBnSCohXe6tEAfF5PopmAFHlbmguWcZXWvKuAFEwq4lCBIyeAstclmHpnzQ-KbhVI7DQGDRocYfgclKjRYgAUO-8spnpxvxrPzOU8W5GZh_hP00QYV">