RFR: 8366498: Simplify ClassFileParser::parse_super_class [v3]

[David Holmes]

On Mon, 1 Sep 2025 07:55:39 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> The if `cp->resolved_klass_at()` is never true called because we are very early in class file parsing, so no klass CP entries have been resolved at this point.
>
> Ioi Lam has updated the pull request incrementally with one additional commit since the last revision:
> 
>   removed test-only assert

Marked as reviewed by dholmes (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27026#pullrequestreview-3174479526