RFR: 8370112: Remove VM_Version::supports_fast_class_init_checks() in platform-specific code

[David Holmes]

On Mon, 19 Jan 2026 05:24:41 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Please review this simple enhancement to remove runtime checks for `VM_Version::supports_fast_class_init_checks()` in platform specific code, and replace them with asserts - as we know statically whether a given platform supports it.
>> 
>> The changes are the same for each platform.
>> 
>> Testing
>>  - building all platforms via GHA
>>  - tiers 1-3 (sanity)
>> 
>> Thanks
>
> Looks reasonable to me.

Thanks for the review @RealFYang !

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PR Comment: https://git.openjdk.org/jdk/pull/29293#issuecomment-3766507632