RFR: 8318363: Foreign benchmarks fail to build on some platforms [v2]

[Aleksey Shipilev]

> Recent regression, see bug. The fix is to use the proper `jlong <-> ptr` converters.
> 
> Additional testing:
>  - [x] Build now passes on ARM32
>  - [x] Two affected JMH benchmarks still run

Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:

  Use jlong.h

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/16228/files
  - new: https://git.openjdk.org/jdk/pull/16228/files/cfa2ee07..8d9d474a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16228&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16228&range=00-01

  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/16228.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16228/head:pull/16228

PR: https://git.openjdk.org/jdk/pull/16228