RFR: 8338471: Assert deleted methods not returned by CallInfo

[Aleksey Shipilev]

On Wed, 18 Sep 2024 22:39:11 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> CompiledIC can get old methods, but it can't get deleted methods for itable and vtable calls, so add a guarantee and asserts that this cannot happen before dereferencing.  Removed unused function and unnecessary methodHandle operator.
> Tested with tier1-4 and 8 which does a lot of redefinition.

Looks okay, but do some of these _need_ to be `guarantee`-s, or just `assert` would be enough? I would prefer to keep release bit paths very efficient, if only for startup/Leyden :)

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PR Review: https://git.openjdk.org/jdk/pull/21075#pullrequestreview-2317479948