<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=http://email.email.llvm.org/c/eJylUsFuwyAM_RpyQY0CJGl74NA2q7TDpB32AwSchIqEDJxJ7dePtquq7TrJgO1nP9tA681Zkrr4kaIhxQ5hnJ1CIOKgnYqRfhB-oB-UiIaS9Z6sGyJe7qERw6KR7h7u_d1933eJwE6Ygql6Qr9rNTB6InZ0QJxjUgg_Jum1zntvWu8w96FPnktaJ_-p4H1TvmVGCrMVW5WpBQcf5BFMyJbg5B8ai8PS5tqPyXDu63Gs5uBPoDGZNsYFYlIqwTnLBgkl75hgUAtWbytuKiHKdgtdbdasZJXOnGrBRUmqPama7P8lreQF5wVjFVvzTVXkmgvQxSa1UHddpztSFjAq6_Irz_U6siBvlO3SxwQ6GzE-wfRgtp8AHh2iRQfydbJolbMXCPSaQG2kk0eqtIYZwVAVqaIGOrU4vCIrPM9AH1-BqtAvI0wp70mU3SaRtzG-AXBbtGs>53221</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Initializer list is not accepted as a default not-type template argument initializer
        </td>
    </tr>

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

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

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

<pre>
    ```
template<class T, T = {}>
struct A{};

A<int> a;
```
Demo: https://gcc.godbolt.org/z/joqaeP84M
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJxdUU1v5CAM_TXkghoRyNccOMw0rbSHlfbQP-CAk6EiIQVnpfbXLzOzo1ErGbDfM_YzjMF-ataK_yYGJo6Ey-aBkKln4yEl_sbkM3_jTA2cdSfWDUy93FITxd0QP97h0w2-7cdcwK2Ukzk8qO-9BlwCU0d-JtpSdph8zTYbU87BjsFTGeKcka-83sMH4J--_l1YrexBHaAgRx71r9WRA---MHLvEnGX-BqIgzG4EVoOiQO3OMHu6cI80eeG_D4nhzjvC6753qNQsUevf6hydN7H0oQlB97_vR9PWwzvaCiHLqUdU3YaJWVVnPUIth4PXYV1VxvoRjv1ojUK5KG3jcG28DCiT5o1J9YMhdNSSCmqqqk62TeiNFKhEX2FbTtNk5lYLXAB58tL48vbFFFfNYz7nDJ5GT89yPx7bl4R7_Vhp3OI-hVtLK5a9VXoP1G5oCQ">