[jdk11u-dev] RFR: 8215889: assert(!_unloading) failed: This oop is not available to unloading class loader data with ZGC [v2]

[Zhengyu Gu]

> A clean backport for parity with Oracle 11.0.14.

Zhengyu Gu has updated the pull request incrementally with one additional commit since the last revision:

  Changed _safepoint_counter from uint64_t to int

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

Changes:
  - all: https://git.openjdk.java.net/jdk11u-dev/pull/413/files
  - new: https://git.openjdk.java.net/jdk11u-dev/pull/413/files/d03c0f43..3b2baa58

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=413&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=413&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/413.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/413/head:pull/413

PR: https://git.openjdk.java.net/jdk11u-dev/pull/413