RFR (XS) 8153265: compiler/whitebox/ForceNMethodSweepTest should not assume asserts are benign

[Aleksey Shipilev]

Hi,

compiler/whitebox/ForceNMethodSweepTest would fail if you juggle Indify
String Concat strategies, because some of them are loading new methods
and use them during String concat linkage and execution. Notably, this
will happen inside of the asserts. We need to prime the asserts before
using them in-between counter polls.

Bug:
  https://bugs.openjdk.java.net/browse/JDK-8153265

Webrev:
  http://cr.openjdk.java.net/~shade/8153265/webrev.00/

Testing: offending test in oob/-Xcomp modes

Thanks,
-Aleksey

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