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

[rguenth at gcc dot gnu.org]

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

--- Comment #27 from Richard Biener <rguenth at gcc dot gnu.org> ---
I'm testing my original patch now and have thrown it on one of our SPEC testers
as well.