[trans-mem] fix memory optimization bug with loops

[Richard Henderson]

On 10/12/2009 09:14 AM, Aldy Hernandez wrote:
> 	* trans-mem.c (tm_memopt_compute_avin): Do not special case entry
> 	block.  Do not seed with uninitialized blocks.
> 	(tm_memopt_compute_antin): Do not special case exit blocks.  Do
> 	not seed with uninitialized blocks.
> 	(execute_tm_memopt): Call tm_memopt_clear_visited.
> 	(tm_memopt_clear_visited): New.

Ok.


r~