[Bug tree-optimization/116585] [12/13/14 Regression] SSA corruption with -O3

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116585

--- Comment #5 from qinzhao at gcc dot gnu.org ---
(In reply to Richard Biener from comment #4)
> Fixed on trunk sofar.

thanks a lot for fixing this so quick. 
Will this patch be backported to older releases?