[Issue 16468] __traits(compiles, ...) doesn't work for super, always evaluates false

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16468

--- Comment #2 from Sophie <meapineapple at gmail.com> ---
Oh, that second error illuminated the first. I was able to get the pragma to
output the correct flag by rewriting as `pragma(msg, __traits(compiles,
super(x)));` but now I'm just hitting the same error as here
https://issues.dlang.org/show_bug.cgi?id=15428

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