Patch to implement flow_preorder_transversal_compute for VRP

[Richard Henderson]

On Tue, Dec 11, 2001 at 02:01:45AM -0500, John Wehle wrote:
> 	* basic-block.h (flow_preorder_transversal_compute): Declare.
> 	* cfganal.c (flow_preorder_transversal_compute): Implement.

Ok.


r~