RFR: 8332499: Gtest codestrings.validate_vm fail on linux x64 [v4]

[SendaoYan]

> Hi all,
>   There's some arch-specific code to trim trailing entries as descripted in [JDK-8332499](https://bugs.openjdk.org/browse/JDK-8332499). Only change the gtest testcase, the risk is low.
> 
> Additional test:
> - [x] codestrings.validate_vm on linux x64
> - [x] codestrings.validate_vm on linux aarch64
> - [x] codestrings.validate_vm on linux riscv64

SendaoYan 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 jbs8332499
 - 8332499: Gtest codestrings.validate_vm fail on linux x64
   
   Signed-off-by: sendaoYan <yansendao.ysd at alibaba-inc.com>
 - 8332499: Gtest codestrings.validate_vm fail on linux x64
   
   Signed-off-by: sendaoYan <yansendao.ysd at alibaba-inc.com>

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/19309/files
  - new: https://git.openjdk.org/jdk/pull/19309/files/01b9e688..1c017d20

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19309&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19309&range=02-03

  Stats: 20599 lines in 626 files changed: 12728 ins; 4566 del; 3305 mod
  Patch: https://git.openjdk.org/jdk/pull/19309.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19309/head:pull/19309

PR: https://git.openjdk.org/jdk/pull/19309