[Bug target/46483] Built-in memcpy() does not handle unaligned int for ARM

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46483

--- Comment #3 from Mikael Pettersson <mikpe at it dot uu.se> 2010-11-15 
21:02:56 UTC ---
Created attachment 22408
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22408
test case showing how __builtin_memcpy ignores known mis-alignment