RFR(XS) 8242168: ClhsdbFindPC.java failed due to "RuntimeException: 'In code in NMethod for LingeredAppWithTrivialMain.main' missing from stdout/stderr"

[Chris Plummer]

[Sorry about the resend. Subject wasn't quite right the first time.]

Hello,

Please help review the following:

https://bugs.openjdk.java.net/browse/JDK-8242168
http://cr.openjdk.java.net/~cjplummer/8242168/webrev.00/

ClhsdbFindPC needs to be disabled when using -XX:+DeoptimizeALot because 
it means the expected compiled frame may not be compiled. I also fixed 
ClhsdbJstackXcompStress since it also relies on frames being compiled, 
although I never got it to fail since it managed to always find at least 
one compiled frame.

I confirmed that with this fix these two tests are not run when 
-XX:+DeoptimizeALot is used. If not used, behavior is unchanged. 
ClhsdbFindPC.java#id0 runs whether or not using -Xcomp and #id1 still 
only runs when not using -Xcomp. ClhsdbJstackXcompStress gets run 
whether or not -Xcomp is used.

thanks,

Chris