Beta 2.073.0-b1

[Martin Nowak via Digitalmars-d-announce]

First beta for the 2.073.0 release.

This release comes with a few phobos additions, a new -mcpu=avx switch,
an experimental safety checks (-transition=safe/-dip1000), and several
bugfixes.

http://dlang.org/download.html#dmd_beta
http://dlang.org/changelog/2.073.0.html

Please report any bugs at https://issues.dlang.org

-Martin