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

[Calvin Cheung]

On Tue, 23 Aug 2022 18:24:30 GMT, Calvin Cheung <ccheung 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.

This pull request has now been integrated.

Changeset: 88af2040
Author:    Calvin Cheung <ccheung at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/88af204027ec51d6e13516fa61e1c217a9445c62
Stats:     6 lines in 1 file changed: 0 ins; 1 del; 5 mod

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

Reviewed-by: iklam, dholmes

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