[Issue 6063] Make cases where hiddenfuncerror would be thrown an error without -w

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=6063

Dmitry Olshansky <dmitry.olsh at gmail.com> changed:

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--- Comment #2 from Dmitry Olshansky <dmitry.olsh at gmail.com> ---
Steve, any chance to dig up that example code?

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