RFR(S): 8146096 - [TEST BUG] compiler/loopopts/UseCountedLoopSafepoints.java Timeouts

[Dmitrij Pochepko]

Hi,

please review small fix for 8146096 - [TEST BUG] 
compiler/loopopts/UseCountedLoopSafepoints.java Timeouts


Test timeouts on slow platforms, so, this fix adds execution control 
with respect to elapsed time. Also, test marked as stress.

webrev: http://cr.openjdk.java.net/~dpochepk/8146096/webrev.01/

CR: https://bugs.openjdk.java.net/browse/JDK-8146096


I've tested this fix on linux-amd64.


Thanks,

Dmitrij