RFR: 8264649: runtime/InternalApi/ThreadCpuTimesDeadlock.java crash in fastdebug C2 with -XX:-UseTLAB [v2]

[Hui Shi]

> Please help review this fix. Detailed analysis in https://bugs.openjdk.java.net/browse/JDK-8264649
> 
> Tier1/2 release /fastdebug passed

Hui Shi has updated the pull request incrementally with one additional commit since the last revision:

  fix typo in test description

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3336/files
  - new: https://git.openjdk.java.net/jdk/pull/3336/files/08292fe1..2f6b68df

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3336&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3336&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3336.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3336/head:pull/3336

PR: https://git.openjdk.java.net/jdk/pull/3336