http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55279
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2012-11-12 07:25:27 UTC --- If we revert the explow.c change: http://gcc.gnu.org/viewcvs?view=revision&revision=177592 gcc.dg/Warray-bounds.c will cause valgrind error with -fno-diagnostics-show-caret -O2 -Warray-bounds -S -mx32 -maddress-mode=long
