[tree-ssa] RFC: Making control flow more explicit

[Zdenek Dvorak]

Hello,

> >Given that
> >now they are trivial, I don't fear there would be any major problems
> >with them.
> >
> I'd be happy to test them if you sent me the huge patch.

that would be nice.  Unfortunately it does not bootstrap just now
due to the bug in copy propagation that causes variables to escape
from their scopes; once I fix this issue, I will send the patch
to provide people with more reasons to cry at me :-)

Zdenek