Porting Java code to D that uses << and >>> operators

[bachmeier via Digitalmars-d-learn]

On Monday, 1 May 2017 at 18:16:48 UTC, Era Scarecrow wrote:
> On Monday, 1 May 2017 at 15:53:41 UTC, Basile B. wrote:
>> It's the same code in D. It extracts consecutive bits in x12 
>> and x13 (and maskxx), put them at the beginning (right shift) 
>> and add them.
>
>  Reminds me... was the unsigned shift >>> ever fixed?

What was wrong with it?