[Bug tree-optimization/126904] backward threader: no path-sensitive load CSE (value numbering?)

[aldyh at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126904

--- Comment #14 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Created attachment 65900
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65900&action=edit
[PATCH] backward threader: use value numbers in the path solver