dmd 1.063 and 2.048 release

[Walter Bright]

Jordi wrote:
> Found it. It took me 7 iterations of binary search across the svn 
> repositories for dmd, druntime and phobos. The commit causing the issue 
> is 505 in dmd. It is related to structs returning *this, which indeed i 
> do in my maths structs.
> 
> Now, i don't know if the bug is in dmd or in my code, but i suspect that 
> something is being treated as a reference when it shouldn't. Should i 
> add an issue even if i am not sure?

Try to reduce it to the smallest possible reproducible test case, and then post 
it to bugzilla.