struct Location size

[Richard (Rikki) Andrew Cattermole]

And that's how you break already poor performing IDE support even further.

We don't need to save double digit megabytes when we are using gigabytes 
of memory, if we have to use extreme measures which result in poorer 
usability.

Instead it would be better to figure out how to minimize the number we 
store; if we can't its just the cost of compiling D.