RFR: 8343829: Unify decimal and hexadecimal parsing in FloatingDecimal [v2]

[Raffaello Giulietti]

> See the JBS bug for some details.

Raffaello Giulietti has updated the pull request incrementally with one additional commit since the last revision:

  Removed repeated comment.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/22737/files
  - new: https://git.openjdk.org/jdk/pull/22737/files/e993925a..85709dd3

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22737&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22737&range=00-01

  Stats: 6 lines in 1 file changed: 0 ins; 5 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/22737.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22737/head:pull/22737

PR: https://git.openjdk.org/jdk/pull/22737