http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569
--- Comment #6 from Mikael Pettersson <mikpe at it dot uu.se> 2011-10-01 10:29:07 UTC --- This test case fails with a SIGBUS on sparc64-linux when compiled with -O1 -m32 by gcc 4.6-20110923 or 4.7-20110910. gcc 4.5 and 4.4 generate correct code.