[jdk15u-dev] RFR: 8274435: EXCEPTION_ACCESS_VIOLATION in BFSClosure::closure_impl [v2]

[Ekaterina Vergizova]

> Fix Request (15u)
> I'd like to backport this fix to 15u. It prevents JVM crashes during JFR path to GC roots calculation.
> The patch applies cleanly, tested with jdk/jfr.

Ekaterina Vergizova 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 'master' of https://github.com/openjdk/jdk15u-dev into backport-8274435
 - Backport c05dc268acaf87236f30cf700ea3ac778e3b20e5

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

Changes:
  - all: https://git.openjdk.java.net/jdk15u-dev/pull/109/files
  - new: https://git.openjdk.java.net/jdk15u-dev/pull/109/files/e97580bf..09a4bb43

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=109&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=109&range=00-01

  Stats: 113 lines in 5 files changed: 100 ins; 0 del; 13 mod
  Patch: https://git.openjdk.java.net/jdk15u-dev/pull/109.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/109/head:pull/109

PR: https://git.openjdk.java.net/jdk15u-dev/pull/109