[Bug tree-optimization/26406] Fowardprop does harm for VRP to figure out if a point is non zero

[rguenth at gcc dot gnu dot org]

------- Comment #6 from rguenth at gcc dot gnu dot org  2006-02-22 12:49 -------
Created an attachment (id=10891)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=10891&action=view)
patch restricting forwprop

Patch that apart from regressing gcc.dg/tree-ssa/20030807-2.c bootstrapped and
tested ok.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26406