[Bug middle-end/59990] [4.7/4.8 regression] incorrect memcpy optimization

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59990

--- Comment #16 from Richard Biener <rguenth at gcc dot gnu.org> ---
seems to be TARGET_SSE_TYPELESS_STORES tuning dependent (and that was changed
on trunk for generic).