[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 #64 from Andrei Alexandrescu <andrei at erdani.com> ---
Time to finalize this. We should be fine with a slight loss in efficiency in
mixed sign compare. What active PRs are open at this time?

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