[SH] Fix for PR 53886

[Kaz Kojima]

Oleg Endo <oleg.endo@t-online.de> wrote:
> This time with the right patch attached.  Sorry.
> 
> On Mon, 2012-07-09 at 21:09 +0200, Oleg Endo wrote:
>> Hello,
>> 
>> The attached patch is a fix for PR 53886, as suggested in the PR.
>> I've also replaced another unchecked usage of 'PATTERN (NEXT_INSN
>> (PREV_INSN (insn)))' in 'find_barrier', just in case.

OK for trunk.

Regards,
	kaz