RFR: 8351113: RC2ParameterSpec throws IllegalArgumentException when offset is negative [v4]

[Mark Powers]

> [JDK-8351113](https://bugs.openjdk.org/browse/JDK-8351113)

Mark Powers has updated the pull request incrementally with one additional commit since the last revision:

  second comment from Sean

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24854/files
  - new: https://git.openjdk.org/jdk/pull/24854/files/5d2a01fc..b0193ad7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24854&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24854&range=02-03

  Stats: 2 lines in 1 file changed: 1 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24854.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24854/head:pull/24854

PR: https://git.openjdk.org/jdk/pull/24854