RFR: Make the compiler/sharedstubs/SharedTrampolineTest.java require C2 explicitly [v2]

[Evgeny Nikitin]

On Thu, 19 Oct 2023 12:21:12 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> Where is the -XX:-TieredCompilation used or passed to?

Yes, you're right. It's never used. Well, the VM seems to go to tier4 straight, and test doesn't fail :). I thought '-XX:-TieredCompilation' gets picked up by `ProcessTools.createTestJvm`, but i doesn't. Fixed now.

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PR Comment: https://git.openjdk.org/jdk/pull/16258#issuecomment-1771051183