[Bug tree-optimization/38401] TreeSSA-PRE load after store misoptimization

[steven at gcc dot gnu dot org]

------- Comment #5 from steven at gcc dot gnu dot org  2008-12-04 17:27 -------
by_all was there because you made it so on purpose. From tree-ssa-pre.c:

"   For the partial anticipation case, we only perform insertion if it
   is partially anticipated in some block, and fully available in all
   of the predecessors.
"


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38401