RFR: 8340132: Remove internal CpException for reading malformed utf8

[Adam Sotona]

On Tue, 17 Sep 2024 03:24:08 GMT, Chen Liang <liach at openjdk.org> wrote:

> Remove an internal exception for invalid utf8 entry format; it should have been an IllegalArgumentException but was an arbitrary subtype of RuntimeException. Converted to throw ConstantPoolException, and consolidated into a single method to reduce code size.

Looks good to me.

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Marked as reviewed by asotona (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21027#pullrequestreview-2308589050