Can't get UDAs of constants (enums) !

[Johan Engelen via Digitalmars-d]

This code no longer compiles (regression since 2.072, [1]):
```
module example;
import std.meta: staticIndexOf;
struct Attrib {}

@Attrib enum TEST = 123;

void foo() {
    foreach(name; __traits(allMembers, example)) {
        pragma(msg, name);
        pragma(msg, __traits(getAttributes, __traits(getMember, 
example, name)));
    }
}
```

Does anybody know a workaround? (the intent is to loop over all 
module members that have a certain UDA applied)
It's currently blocking Weka from updating to a newer compiler. :(

You can play with code live here: https://godbolt.org/g/G8Yw59
Switch between LDC 1.1.0 (dlang 2.071) and LDC 1.2.0 (dlang 
2.072).

Thanks,
  Johan

[1]  https://issues.dlang.org/show_bug.cgi?id=17545