RFR: 8309698: [S390X] Test hotspot/jtreg/runtime/NMT/VirtualAllocCommitMerge.java fails after JDK-8299089 [v3]

[Manjunath S Matti.]

> On s390 the testcase "VirtualAllocCommitMerge.java" when run under Interpreter with option -Xint fails. But when run as compiled with option -Xcomp -Xbatch it Passes.

Manjunath S Matti. 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 three additional commits since the last revision:

 - Merge branch 'openjdk:master' into NMT_s390_issue
 - Merge branch 'openjdk:master' into NMT_s390_issue
 - 8309698: runtime/NMT/VirtualAllocCommitMerge.java failed on s390x if interpreted.

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/20096/files
  - new: https://git.openjdk.org/jdk/pull/20096/files/579b76dd..97d2f204

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20096&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20096&range=01-02

  Stats: 79511 lines in 2202 files changed: 46545 ins; 21279 del; 11687 mod
  Patch: https://git.openjdk.org/jdk/pull/20096.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20096/head:pull/20096

PR: https://git.openjdk.org/jdk/pull/20096