is
neither an initializer list nor a single expression that has compatible structure or union
type (6.7.9).</td>
<td>yes</td>
</tr>

<tr><td>
&ndash; The initializer for an aggregate or union, other than an array initialized by a string
literal, is not a brace-enclosed list of initializers for its elements or members (6.7.9).</td>
<td>yes</td>
</tr>

<tr><td>
&ndash; An identifier with external linkage is used, but in the program there does not exist
exactly one external definition for the identifier, or th