[jdk17u-dev] RFR: 8288719: [arm32] SafeFetch32 thumb interleaving causes random crashes [v3]

[Sergey Nazarkin]

> Hi!
> 
> This is follow up for #1557.  The backport is not clean since [JDK-8285675](https://bugs.openjdk.org/browse/JDK-8285675) was skipped intentionally. 
> 
> Tested with gtest:all on RPi3

Sergey Nazarkin 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 six additional commits since the last revision:

 - Merge master
 - Backport 26c03c1860c6da450b5cd6a46576c78bea682f96
 - Missed riscv assembler
 - RiscV part
 - Fix builds without precompiled headers
 - Backport bdf8a2a2050393e91800786f8d5a5d6805f936eb

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/1577/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/1577/files/404b6992..8080a0fa

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1577&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1577&range=01-02

  Stats: 855 lines in 25 files changed: 764 ins; 20 del; 71 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1577.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1577/head:pull/1577

PR: https://git.openjdk.org/jdk17u-dev/pull/1577