https://issues.dlang.org/show_bug.cgi?id=19081

          Issue ID: 19081
           Summary: Can't declare enum with UDA in unittest blocks
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: yshuiv7@gmail.com

Example:

@(1) enum A { A } // Fine
struct T1 {
    @(1) struct T2 {} // Fine
    @(1) enum A { A } // Fine
}
debug {
    @(1) enum Op { Add, Sub } // Fine
}
unittest {
    @(1) struct X { } // Fine
    @(1) enum Op { Add, Sub } // Not fine ?!
}
void main() {}

https://godbolt.org/g/TSQeYW

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