RFR: 8233760: Result of BigDecimal.toString throws overflow exception on new BigDecimal(str) [v2]

[Raffaello Giulietti]

> BigDecimal(String) currently fails to accept some strings produced by BigDecimal.toString(). This PR removes this limitation.

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

  8233760: Result of BigDecimal.toString throws overflow exception on new BigDecimal(str)

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8905/files
  - new: https://git.openjdk.java.net/jdk/pull/8905/files/e82cece0..2a25c359

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8905&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8905&range=00-01

  Stats: 22 lines in 1 file changed: 21 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8905.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8905/head:pull/8905

PR: https://git.openjdk.java.net/jdk/pull/8905