[ tree-ssa] PRE problem

[law@redhat.com]

In message <1077306967.3169.181.camel@localhost.localdomain>, Diego Novillo wri
tes:
 >On Fri, 2004-02-20 at 14:47, law@redhat.com wrote:
 >> In message <1077304036.3169.162.camel@localhost.localdomain>, Diego Novillo
 > wri
 >> tes:
 >>  >
 >>  >See if this (untested) patch fixes your problem.  We were not calling
 >>  >propagate_value in generate_expr_as_of_bb.  This fixes PR14153, but I
 >>  >haven't checked other places in PRE where we may be doing the same.
 >> I think something like this is what we need:
 >> 
 >So, essentially add the may_propagate_copy to PRE?  Sure.
 >
 >I assume that the zillion aborts where in conjunction with your current
 >patch? 
I'm pretty sure it did not include my patch.  Though my patch certainly
would tend to expose more of these kinds of problems as it allows us to
do more const/copy propagation (and yes, it uses may_propagate_copy and
propagate_value in he usual ways).

 >I'm currently bootstrapping with the patch I sent earlier and
 >the compiler has bootstrapped and I'm well into libjava with no errors.
Has it built libstdc++?  That was where I saw the aborts.



jeff