https://issues.dlang.org/show_bug.cgi?id=23822

          Issue ID: 23822
           Summary: Deprecated struct alias ignored completely
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: default_357-line@yahoo.de

Consider this code:

```
alias Alias(alias A) = A;
deprecated alias value = Alias!5;
void main() { auto a = value; }
```

This correctly errors with Deprecation: alias `onlineapp.value` is deprecated

However, this code:

```
alias Alias(alias A) = A;
struct S { deprecated alias value = Alias!5; }
void main() { auto a = S.value; }
```

gives no warning at all and compiles with `-de`.

(enum works)

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