RFR: 8256485: Zero VM build broken after JDK-8254231 [v2]

[Aleksey Shipilev]

On Mon, 23 Nov 2020 13:29:03 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> (Though, I suppose in general the entry never gets used because we don't have a CLinker implementation for Zero)
>
> Then I suggest doing what `ZeroInterpreterGenerator::generate_abstract_entry` does and generate the entry that "calls" `ShouldNotCallThisEntry()`. Which means the build would succeed, but the attempt to actually call through `_linkToNative` would fail in a proper place.

In fact, I think right before this method, there is `method_handle_entry_invalid` that you can target for `_linkToNative` case.

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PR: https://git.openjdk.java.net/jdk/pull/1265