RFR: JDK-8326908: DecimalFormat::toPattern throws OutOfMemoryError when pattern is empty string [v3]

[Naoto Sato]

On Tue, 5 Mar 2024 21:27:09 GMT, Justin Lu <jlu at openjdk.org> wrote:

>> Please review this PR and corresponding CSR which prevents an OutOfMemoryError by restricting the initial maximum fraction digits for an empty pattern DecimalFormat.
>> 
>> For an empty String pattern DecimalFormat, the maximum fraction digits is initialized to `Integer.MAX_VALUE`. When toPattern() is invoked, StringBuilder internally doubles capacity attempting to append Integer.MAX_VALUE digits until OOME occurs. CSR covers potential behavioral compatibility changes.
>
> Justin Lu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   reflect review

LGTM

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Marked as reviewed by naoto (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/18094#pullrequestreview-1918175848