[PATCH, libstdc++]: Increase timeout for testsuite/ext/pb_ds/regression tests

[Paolo Carlini]

Hi,
> Hello!
>
> Attached patch increases timeout for some long tests in
> testsuite/ext/pb_ds/regression directory by a factor of 2.0. This
> fixes all timeouts for alphaev56-unknown-linux-gnu cfarm machine.
>
> 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
>
> 	* testsuite/ext/pb_ds/regression/hash_data_map_rand.cc:
> 	Add dg-timeout-factor 2.0.
> 	* testsuite/ext/pb_ds/regression/trie_data_map_rand.cc: Ditto.
> 	* testsuite/ext/pb_ds/regression/tree_no_data_map_rand.cc: Ditto.
> 	* testsuite/ext/pb_ds/regression/hash_no_data_map_rand.cc: Ditto.
> 	* testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Ditto.
> 	* testsuite/ext/pb_ds/regression/tree_data_map_rand.cc: Ditto.
> 	* testsuite/ext/pb_ds/regression/trie_no_data_map_rand.cc: Ditto.
>   
This patch seems so simple and safe (and it is! ;) but I'm bit concerned
by the explosion of different strategies we are using to deal with
timeouts and long runtimes for special targets. For example, can't we
unify the way we deal with simulators and alpha*?

Paolo.