RFR: 8315794: RISC-V: build fails with GCC 12.3

[Antonios Printezis]

On Mon, 18 Sep 2023 23:41:04 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> I think I'd prefer
> 
> ```
> RISCV_ONLY(PRAGMA_STRINGOP_OVERFLOW_IGNORED)
> ```
> 
> unless and until we encounter the problem for some other platform.

Fair. See updated patch.

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PR Comment: https://git.openjdk.org/jdk/pull/15593#issuecomment-1725676241