[PATCH] Robustify add_reg_br_prob_note (PR middle-end/28683)

[Roger Sayle]

On Wed, 23 Aug 2006, Jakub Jelinek wrote:
> 2006-08-23  Jakub Jelinek  <jakub@redhat.com>
>
> 	PR middle-end/28683
> 	* cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
> 	3 following insns.
>
> 	* gcc.c-torture/compile/20060823-1.c: New test.

This is OK for mainline, and for the 4.1 and 4.0 branches after a few
days on mainline without problems.

Thanks.

Roger
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