[Bug middle-end/50569] Wrong code error: memcpy eliminated when it is needed

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569

--- Comment #4 from Mikael Pettersson <mikpe at it dot uu.se> 2011-09-29 
20:47:09 UTC ---
The updated test case caused no alignment exceptions on armv5tel-linux-gnueabi
with gcc 4.6-20110923 or 4.7-20110924.  I'll check it on sparc64-linux tomorrow
evening.