Ping some 4.2 regression patches

[Kaz Kojima]

Andrew Pinski <pinskia@physics.uc.edu> wrote:
> Well it is time again to ping some regressions patches (not all of them
> are mine).
[snip]
> http://gcc.gnu.org/ml/gcc-patches/2006-02/msg01009.html
> 20011109-1.c fails at -O1 on sh4 (move-loop-invariant)

I hope someone can review this patch because it makes
sh4-unknown-linux-gnu possible to build again.

Regards,
	kaz