[Bug tree-optimization/66598] [4.9/5 Regression] With -O3 gcc incorrectly assumes aligned SSE instructions (e.g. movapd) can be used

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66598

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Oh, and it needs r223798.