Link time optimization in D

[Walter Bright]

Leandro Lucarella wrote:
> LTO is not only targeted at C++. I don't have numbers to talk seriously
> about how a big gain is for C though, which might be closer to D in
> terms of parse time compared with the whole compilation process. Even
> more, you can do LTO for object files generated from different
> languages.


I gotta believe that if you're writing Fortran functions and expecting them to 
be inlined into C code, or other such function-by-function language mixing, 
things are getting desperate.

It's also true that too much inlining will make your code slower:
https://lwn.net/Articles/255364/