RFR: 8255216: ciEnv::_break_at_compile isn't in use

[Tobias Hartmann]

On Tue, 5 Jan 2021 22:20:14 GMT, Dean Long <dlong at openjdk.org> wrote:

>> I think it's fine to remove all that dead code with this issue
>
> Should CIBreakAtOSR and CIBreakAt be removed too, or is it a bug that these flags are ignored?

I think the fact that these flags are not working proves that no one is using them and therefore they should be removed.

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PR: https://git.openjdk.java.net/jdk/pull/1806