[Bug middle-end/56888] memcpy implementation optimized as a call to memcpy

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56888

--- Comment #2 from Mikael Pettersson <mikpe at it dot uu.se> 2013-04-09 09:59:20 UTC ---
Started with Richard Biener's http://gcc.gnu.org/r188261 aka PR53081 fix, which
added or improved memcpy recognition.  I'm guess the new code fails to check
for whatever option is supposed to disable this sort of transformation.