Combine repeats matching on insn pairs and will ICE on 3.

[Ian Lance Taylor]

Andy H <hutchinsonandy@aim.com> writes:

> I have problem with data flow and combine that is causing ICE with
> experimental build. Despite all efforts to blame my own target
> changes,
> I have reached the conclusion that this is a gcc COMBINE bug, but seek
> your advice before filing a bug report.

Your analysis looks right to me.  Please do file a bug report.
Thanks.

Ian