[Bug tree-optimization/53966] procmail build deadloop on _autotst & -O3

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53966

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Also we need a self contained testcase to go any further on this problem.