Revised attachment of name attributes to structs, unions, enums

Consider:
```
struct s { ... } __attribute((aligned(N)));

struct t { ... }
 __attribute((aligned(N))) struct t x;
```
In the first case, the aligned attribute should be attached to struct s, so that further references to struct s are aligned.

In the second case, the aligned attribute should be attached to the variable x, because if we attach it to struct t, it will be ignored and cause a warning.

This commit changes the attachment rule so that it treats both cases right.

Extend regression test for "aligned" attribute accordingly, by testing
aligned attribute applied to a name of struct type.

0 files changed, 0 insertions, 0 deletions