avoid try_split recursion on sequence

[Richard Henderson]

On Thu, Apr 13, 2000 at 02:08:12PM -0500, Clinton Popetz wrote:
> I found a case where an attempted split would result in a sequence, the first
> insn of which was equal to the original insn, so emit-rtl would recurse
> infinitely.

Hmm.  Is it perhaps instead a bug in the splitter?  One would
hope that you wouldn't split anything that didn't need splitting,
and that you would make progress if you did split.


r~