What exactly is this testing for? Should I even care if it fails?

https://github.com/D-Programming-Language/dmd/blob/master/test/runnable/test42.d#L613

It *looks* like it is expecting the data to be aligned to 16 bytes. But why should this matter?

--
Iain Buclaw

*(p < e ? p++ : p) = (c & 0x0f) + '0';