RFR: 8301492: Modernize equals() method of ResourceBundle.CacheKey and Bundles.CacheKey

[Sergey Tsypanov]

On Tue, 31 Jan 2023 11:40:43 GMT, Sergey Tsypanov <stsypanov at openjdk.org> wrote:

> `ResourceBundle.CacheKey.equals()` and `Bundles.CacheKey.equals()` are quire outdated. This simple clean-up modernizes them.

Btw, in `ResourceBundle.CacheKey.equals()` can we replace

Module module = getModule();
Module caller = getCallerModule();
return Objects.equals(module, otherEntry.getModule()) &&
       Objects.equals(caller, otherEntry.getCallerModule());

with

return moduleRef.refersTo(otherEntry.getModule()) &&
        callerRef.refersTo(otherEntry.getCallerModule());

?

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PR: https://git.openjdk.org/jdk/pull/12328