RFR: 8344880: AArch64: Add compile time check for class offsets

[Andrew Haley]

On Fri, 13 Dec 2024 10:24:41 GMT, Andrew Haley <aph at openjdk.org> wrote:

> 
> If instead of this PR we were to use some variant of `form_address()` on register+offset addresses, we wouldn't need to care about whether the offsets were compile-time constants or not, we wouldn't need this extra code, and the result would be easier to read and maintain.

Note: we only should do that on register+offset addresses that we don't already know to be safe.

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PR Comment: https://git.openjdk.org/jdk/pull/22623#issuecomment-2543036787