Prevent a `NegativeArraySizeException` in `BigDecimal.toPlainString()`, throwing `OutOfMemoryError` instead to indicate that the resulting `String` would be too large.
------------- Commit messages: - 8318915: Enhance checks in BigDecimal.toPlainString() Changes: https://git.openjdk.org/jdk/pull/16457/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16457&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8318915 Stats: 56 lines in 2 files changed: 43 ins; 1 del; 12 mod Patch: https://git.openjdk.org/jdk/pull/16457.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/16457/head:pull/16457 PR: https://git.openjdk.org/jdk/pull/16457
