[Issue 2] Hook up new dmd command line arguments

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=2

--- Comment #5 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dmd pull request #14257 "Make `new AA` allocate the associative array
Impl" was merged into master:

- e8cdd13a92487ad6ef206a9ca2e8c030a6c56e68 by Nick Treleaven:
  Fix 2 fail_compilation tests

https://github.com/dlang/dmd/pull/14257

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