[Issue 22113] New: Allow `noreturn` as a type for main function

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22113

          Issue ID: 22113
           Summary: Allow `noreturn` as a type for main function
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: qs.il.paperinik at gmail.com

Using `noreturn main(..)` makes sense for some programs, but isn't currently
allowed.

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