[Issue 2511] dmd finds a proper overload as a non-covariant

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=2511





------- Comment #1 from 2korden at gmail.com  2008-12-13 10:22 -------
And here is an error message:

Base.d(15): function Base.Derived.create of type SubI() overrides but is not
covariant with Base.Base.create of type I()


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