RFR: 8367692: RISC-V: Align post call nop [v3]

[Robbin Ehn]

On Thu, 25 Sep 2025 12:05:13 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

>> But that is just another hack to avoid c-instructions, as the post call nop instructions are location independent.
>> Removed the relocation.
>
> Oh, wait the relocation is needed to find them, right?
> Darn we need the relocation.

Yes, we need the relocation as we use that to patch the imms to the oopmaps.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27467#discussion_r2378866526