RFR: 8337654: Relocate uncommon trap stub from SharedRuntime to OptoRuntime [v4]

[Fei Yang]

On Fri, 2 Aug 2024 17:52:10 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

>> Reorganization of generation and management code for C2-specific blob so that it is, as far as possible, under the scope of class OptoRuntime with an implementation located in C2-specific source files.
>
> Andrew Dinn has updated the pull request incrementally with one additional commit since the last revision:
> 
>   correct riscv source

LGTM. Thanks.

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Marked as reviewed by fyang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20417#pullrequestreview-2216569772