Beta 2.100.0

[Walter Bright]

On 4/23/2022 7:45 AM, Guillaume Piolat wrote:
> Those are not super critical bugs. It would just be nice to be able to use 
> D_SIMD one day, as DMD compile speed benefits are enticing.

I've addressed all three. The latter two are the result of incorrect usage, so I 
added some examples here:

https://github.com/dlang/druntime/pull/3808

which should help.