[Bug middle-end/55030] [4.8 Regression]: gcc.c-torture/execute/builtins/memcpy-chk.c execution, -Os (et al)

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55030

--- Comment #18 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> FWIW, I've bootstrapped and regtested gcc 4.9 with r192676 reapplied and the
> dse.c and cselib.c hunks of r193802 reverted on several hosts (x86_64,
> sparc64, powerpc64, armv5tel, m68k) without regressions.

Let's just reapply r192676 on the mainline.  We just need to make sure that the
failures on i686 don't reappear.