[jdk21u-dev] RFR: 8333456: CompactNumberFormat integer parsing fails when string has no suffix [v2]

[Roland Mesde]

> Backporting JDK-8333456: CompactNumberFormat integer parsing fails when string has no suffix. Adds logic to check to make sure position does not exceed the string length before deciding to check for a decimal symbol.
> 
> Ran GHA Sanity Checks (passed) and related test (passed).

Roland Mesde has updated the pull request incrementally with one additional commit since the last revision:

  Update test

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Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/2468/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/2468/files/5a316af9..0c2007ca

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2468&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2468&range=00-01

  Stats: 544 lines in 2 files changed: 90 ins; 454 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2468.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2468/head:pull/2468

PR: https://git.openjdk.org/jdk21u-dev/pull/2468