[Issue 12615] Warn against, and then deprecate old alias syntax

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12615

Mike <slavo5150 at yahoo.com> changed:

           What    |Removed                     |Added
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                 CC|                            |slavo5150 at yahoo.com

--- Comment #1 from Mike <slavo5150 at yahoo.com> ---
A prerequisite to this would be to replace all occurrences of the old syntax in
DRuntime and Phobos with the new syntax.

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