[jdk17u-dev] RFR: 8303605: Memory leaks in Metaspace gtests [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.11-oracle.
> 
> I resolved test_virtualspacenode.cpp due to an extra empty line, will mark as clean.

Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'openjdk:master' into goetz_backport_8303605
 - Backport ddcb369ceabd2207699632e90a358baf251c6f36

-------------

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/2093/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/2093/files/cbba7c01..2ad59446

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2093&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2093&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2093.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2093/head:pull/2093

PR: https://git.openjdk.org/jdk17u-dev/pull/2093