MSVC: fix for failing tests due to strtod+hexadecimal literals

[Johan Engelen via digitalmars-d-ldc]

On Tuesday, 3 March 2015 at 22:12:39 UTC, Dan Olson wrote:
>
> Could David Gay's strtod() be used?
> http://www.exploringbinary.com/how-strtod-works-and-sometimes-doesnt/

Well... :(
https://github.com/JohanEngelen/ldc/commit/417cded588bcd8cf5a783ac0da731dfd53048b5d
;-)

After adding proper rounding and overflow, I think it is done. It 
already works well on more normal input.