RFR: 8303863: RISC-V: TestArrayStructs.java fails after JDK-8303604

[Fei Yang]

On Thu, 9 Mar 2023 14:39:55 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

> [JDK-8303604](https://bugs.openjdk.org/browse/JDK-8303604) fixes an issue with passing structs whose size is not a power of two on SysV and AArch64 platforms. The same issue happens on RISC-V.
> 
> Modifications are unnecessary for `STRUCT_REGISTER_F` and `STRUCT_REGISTER_XF`. If there are no available registers, they will fall back to `STRUCT_REGISTER_X`.
> 
> Testing:
> 
> - [x] TestArrayStructs.java 
> - [x] jdk_foreign on Unmatched Board (release build)

Looks fine to me.

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Marked as reviewed by fyang (Reviewer).

PR: https://git.openjdk.org/jdk/pull/12950