[tree-ssa] CCP and non-destructive folding problems

[law@redhat.com]

In message <1046192247.1694.30.camel@shadowfax>, Diego Novillo writes:
 >On Tue, 2003-02-25 at 11:55, law@redhat.com wrote:
 >
 >> I really don't think we need this.  Look at fold.  Are you going to
 >> try and duplicate all that work, but in a non-destructive way?  Please
 >> come back to reality.   It would be a pointless exercise.
 >> 
 >OK :)  I'll drop the suggestion for now.  Maybe I just haven't exposed
 >myself to the horrors of fold() long enough :)  Let's leave that check
 >for now to see whether it triggers again.  If it does, we can take a
 >look and see whether it's worth fixing.
fold is a dreadful hunk of code :-)  And I wonder sometimes if all the
stuff it tries to do is actually worth all the effort....

jeff