Withdrawn: 8342206: Convenience method to check if a ClassEntry matches a ClassDesc

[duke]

On Tue, 15 Oct 2024 17:34:53 GMT, Chen Liang <liach at openjdk.org> wrote:

> Currently, to efficiently check if a `ClassEntry`, such as one from an `InvokeInstruction`, is of a particular class, we use such a pattern (as seen in JEP 486 [Appendix](https://openjdk.org/jeps/486#Appendix)):
> 
> inst.owner().name().equalsString("java/lang/System")
> 
> This pattern has a few issues:
> 
> 1. This is not straightforward. Users may be tempted to write
> 
> inst.owner().asSymbol().equals(CD_System)
> 
> unaware of the degraded performance from extra conversions.
> 
> 2. We aim to reduce the use of "internal names" with encapsulation. Direct use of `"java/lang/System"` goes against this, and we have no constants offered to reduce such error-prone use of internal name.
> 
> Thus, I propose a new API in `ClassEntry`:
> 
> boolean equalsSymbol(ClassDesc)
> 
> that can be used conveniently to check the identity of a class entry with a clean syntax and better performance.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/21526