Comment 10 for bug 1352417

Charlie,

I still feel that the var tracking pass should be able to protect itself
from an infinite loop.

On 8/4/2014 11:43 AM, cbaylis at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61033
>
> --- Comment #6 from cbaylis at gcc dot gnu.org ---
>
> git bisect points to r211625 as the revision which fixes/hides this bug on
> trunk.
>
> 2014-06-13 Richard Biener <email address hidden>
>
> * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
> Rewrite to propagate the VN result into all uses where
> possible and to remove stmts becoming dead because of that.
> (eliminate): Generalize stmt removal handling, remove in
> reverse dominator order to support proper debug stmt
> generation. Update stmts before removing stmts.
> * tree-ssa-propagate.c (propagate_tree_value): Remove
> bogus assert.
>