replace_ssa_names abort that started last week

[Jeffrey A Law]

On Wed, 2004-05-26 at 20:51, Bradley Lucier wrote:
> Jeff (and others);
> 
> PR 15643 began last week some time, which correlates when you were 
> making changes to the tree optimization code. There are short testcases 
> in C and Java that fail on multiple platforms; perhaps this could be 
> investigated while the problem is still fresh.
It's a bug in the code to kill redundant phi nodes.  It's trying to
propagate away a PHI node with an argument associated with an
abnormal edge (the PHI's destination is also associated with an
abnormal edge).

I'll poke at it some more in parallel with the PPC problem I'm 
working on...

jeff
> 
> Brad