dmd 1.053 and 2.037 release

[Walter Bright]

Don wrote:
> I had a further look at this. The compiler *is* creating doubles and 
> floats as signalling NaNs. Turns out, that there are slight differences 
> between processors in the way they treat signalling NaNs, especially 
> between Intel vs AMD. Intel Core2 triggers SNANs when loading floats & 
> doubles, but *doesn't* trigger for 80-bit SNANs. The Pentium M that I 
> did most of my testing on, didn't trigger for any of them. AMD's docs 
> say that it triggers for all of them.
> Won't be too hard to fix.


How do we fix the CPU? ;-)