[Issue 17868] add pragma(crt_con/destructor)

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17868

Martin Nowak <code at dawg.eu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|add                         |add
                   |pragma(crt_con/destructor[, |pragma(crt_con/destructor)
                   |priority])                  |

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