[Bug tree-optimization/45522] PRE misses oppurtunity for statement folding.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45522

--- Comment #14 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So the testcase in comment #5 I think the problem is we can't figure out
_messages[err] == ((void *) 0 is false.