[Issue 20205] std.math: Wrong result for abs(int.min)

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20205

--- Comment #3 from Berni <dlang at croco-puzzle.com> ---
Having used Java for years unsigned integers often don't come to my mind...
It's a good idea to use them! :-)

But:

xmin.d(7): Deprecation: integral promotion not done for -x, use
'-transition=intpromote' switch or -cast(int)(x)

--