> Also, in which branch should I port these modifications (4.2, > 4.1,...) to submit a patch? I originally developed the whole stuff > on a tree-ssa branch dating January 2004, and then ported it to > 4.0.1. Porting this to any recent branch should be easy, but which > one to choose?
If you want to submit a patch for a new feature, it will need to be against mainline. Cheers, Ben