RFR: 8338365: [PPC64, s390] Out-of-bounds array access in secondary_super_cache [v2]

[Amit Kumar]

> Port for s390x and PPC for the bug: [JDK-8337958](https://bugs.openjdk.org/browse/JDK-8337958), Out-of-bounds array access in secondary_super_cache

Amit Kumar has updated the pull request incrementally with one additional commit since the last revision:

  Update src/hotspot/cpu/s390/macroAssembler_s390.cpp
  
  Co-authored-by: Andrew Haley <aph-open at littlepinkcloud.com>

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Changes:
  - all: https://git.openjdk.org/jdk/pull/20578/files
  - new: https://git.openjdk.org/jdk/pull/20578/files/7edd7326..55ee78e4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20578&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20578&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/20578.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20578/head:pull/20578

PR: https://git.openjdk.org/jdk/pull/20578