[Issue 15217] overloaded extern(C) function declarations are allowed

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=15217

Mike Franklin <slavo5150 at yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://issues.dlang.org/sh
                   |                            |ow_bug.cgi?id=18385

--