RFR: 8355300: Add final to BitSieve

[Chen Liang]

On Tue, 22 Apr 2025 11:10:46 GMT, Shaojin Wen <swen at openjdk.org> wrote:

> As the title says, adding final to fields that do not change and BitSieve that will not be inherited will make C2 optimization more friendly.

src/java.base/share/classes/java/math/BitSieve.java line 51:

> 49:      * Stores the bits in this bitSieve.
> 50:      */
> 51:     private final long bits[];

Suggestion:

    private final long[] bits;

We can do this too.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24796#discussion_r2054212128