RFR: 8335493: check_gc_overhead_limit should reset SoftRefPolicy::_should_clear_all_soft_refs [v2]

[Liang Mao]

> It's for fixing the issue should_clear_all_soft_refs is not reset after Parallel Full GC.
> 
> Tested test/hotspot/jtreg/gc with -XX:+UseParallelGC

Liang Mao has updated the pull request incrementally with one additional commit since the last revision:

  reset in check_gc_overhead_limit

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/19982/files
  - new: https://git.openjdk.org/jdk/pull/19982/files/e9b42d7c..8dc625dc

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19982&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19982&range=00-01

  Stats: 6 lines in 2 files changed: 4 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/19982.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19982/head:pull/19982

PR: https://git.openjdk.org/jdk/pull/19982