RFR: 8277797: Remove undefined/unused SharedRuntime::trampoline_size()

[Zhengyu Gu]

On Thu, 25 Nov 2021 05:14:59 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> A trivial patch to remove undefined and unused `SharedRuntime::trampoline_size()`, a leftover from [JDK-8263002](https://bugs.openjdk.java.net/browse/JDK-8263002).
>
> Good and trivial.
> 
> Thanks,
> David

Thanks, @dholmes-ora @tstuefe

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PR: https://git.openjdk.java.net/jdk/pull/6540