[tree-ssa] COND_EXPR lowering.

[law@redhat.com]

In message <20031024174329.GA17642@atrey.karlin.mff.cuni.cz>, Zdenek Dvorak wri
tes:
 >> You can't always use the CFG for everything.
 >
 >I don't say for everything.  But following the gotos is the reason for
 >having cfg.
Err, there are cases where we may want to follow gotos without a CFG.  Say
in that wonderful little place when we've translated out of ssa form,
but have not translated into RTL.

jeff