RFR: 8299570: [JVMCI] Insufficient error handling when CodeBuffer is exhausted

[Doug Simon]

On Tue, 17 Jan 2023 19:14:55 GMT, Tom Rodriguez <never at openjdk.org> wrote:

>> it looks like estimate_stubs_size is computing space for the trampolines via 
>> 
>> `size += trampoline_stubs * CompiledStaticCall::to_trampoline_stub_size();`?
>
> It seems like the estimate agrees with the code emitted for the trampoline, so we either have a general problem in this computation or we have some other unexpected use of code cache space.  It isn't critical that we get this estimate right but we do try to avoid resizing during code installation as it can be expensive.

Yes, this is a very defensive (and cheap) check that should never fail. Still, better to have it.

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PR: https://git.openjdk.org/jdk/pull/11945