[Issue 17938] Detect immutable variadic arguments

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17938

anonymous4 <dfj1esp02 at sneakemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://issues.dlang.org/sh
                   |                            |ow_bug.cgi?id=18094

--