RFR: 8355719: Reduce memory consumption of BigInteger.pow() [v51]

[fabioromano1]

On Wed, 7 May 2025 17:32:06 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

> Ah right, but you probably want

No, the sufficient condition to get the overflow is `(bitLength() - 1L) * exponent + 1L > Integer.MAX_VALUE`, which is equivalent to that one I wrote above.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24690#discussion_r2078142049