RFR: 8315762: Update subtype check profile collection on s390x following 8308869 [v2]

[Amit Kumar]

> s390x Implementation for https://github.com/openjdk/jdk/pull/14375
> 
> Benchmark Result with patch: 
> 
> Benchmark                                         (typePollution)  (typePollutionNotInternalType)   Mode  Cnt     Score    Error   Units
> RequireNonNullCheckcastScalability.isDuplicated1            false                           false  thrpt   20  1155.409 ± 43.844  ops/us
> RequireNonNullCheckcastScalability.isDuplicated1            false                            true  thrpt   20   726.923 ± 54.536  ops/us
> RequireNonNullCheckcastScalability.isDuplicated1             true                           false  thrpt   20   676.462 ± 23.503  ops/us
> RequireNonNullCheckcastScalability.isDuplicated1             true                            true  thrpt   20   118.650 ±  2.653  ops/us
> 
> 
> Without Patch: 
> 
> Benchmark                                         (typePollution)  (typePollutionNotInternalType)   Mode  Cnt     Score     Error   Units
> RequireNonNullCheckcastScalability.isDuplicated1            false                           false  thrpt   20  1101.248 ± 103.559  ops/us
> RequireNonNullCheckcastScalability.isDuplicated1            false                            true  thrpt   20   109.690 ±   3.312  ops/us
> RequireNonNullCheckcastScalability.isDuplicated1             true                           false  thrpt   20   110.790 ±   7.927  ops/us
> RequireNonNullCheckcastScalability.isDuplicated1             true                            true  thrpt   20   112.244 ±   6.889  ops/us
> 
> 
> Testing : Fastdebug build + tier1 tests

Amit Kumar 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://git.openjdk.org/jdk into subtype_v0
 - s390 Port

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/17461/files
  - new: https://git.openjdk.org/jdk/pull/17461/files/6541690b..558553ee

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17461&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17461&range=00-01

  Stats: 8939 lines in 359 files changed: 5568 ins; 2025 del; 1346 mod
  Patch: https://git.openjdk.org/jdk/pull/17461.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17461/head:pull/17461

PR: https://git.openjdk.org/jdk/pull/17461