RFR: 8292494: Ensure SystemDictionary::set_platform_loader and set_system_loader are called only once

[Calvin Cheung]

On Wed, 24 Aug 2022 21:58:29 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> The `SystemDictionary::set_platform_loader` and the `SystemDictionary::set_system_loader` functions should only be called once during VM startup, this simple fix ensures that.
>> 
>> Passed mach5 tiers 1,2,3 testing.
>
> Looks good and trivial. Thanks for fixing this.

Thanks @iklam, @dholmes-ora .

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PR: https://git.openjdk.org/jdk/pull/9988