RFR: 8289764: gc/lock tests failed with "OutOfMemoryError: Java heap space: failed reallocation of scalar replaced objects" [v4]

[Ramkumar Sunderbabu]

> Tested with all GC options

Ramkumar Sunderbabu has updated the pull request incrementally with one additional commit since the last revision:

  8289764: gc/lock tests failed with "OutOfMemoryError: Java heap space: failed reallocation of scalar replaced objects"

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9658/files
  - new: https://git.openjdk.org/jdk/pull/9658/files/24581de0..0c6c8675

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9658&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9658&range=02-03

  Stats: 15 lines in 1 file changed: 8 ins; 3 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/9658.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9658/head:pull/9658

PR: https://git.openjdk.org/jdk/pull/9658