[lworld] RFR: 8377065: [lworld] Fix merge removing VM_Version::supports_fast_class_init_checks() check

[Fei Yang]

On Mon, 9 Feb 2026 14:27:28 GMT, Paul Hübner <phubner at openjdk.org> wrote:

>> Hi,
>> 
>> Please consider this small change fixing a minor issue in latest merge.
>> 
>> The original issue is: https://bugs.openjdk.org/browse/JDK-8370112.
>> After the latest merge, there is still one runtime check for `VM_Version::supports_fast_class_init_checks()` left in both x86 and aarch64 platform specific code. We should replace them with asserts for consistency with other places.
>> 
>> Verified by running `hotspot_valhalla` and `jdk_valhalla` on these two platforms.
>
> Looks good, thanks for taking care of this!

@Arraying @DanHeidinga : Thanks for the reviews!

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PR Comment: https://git.openjdk.org/valhalla/pull/2020#issuecomment-3874926405