[Issue 259] Comparing signed to unsigned does not generate an error

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=259

--- Comment #66 from thomas.bockman at gmail.com ---
Oops! That's the wrong DMD bug. This is the one I
actually meant:
    https://issues.dlang.org/show_bug.cgi?id=14835

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