RFR: 8340141: C1: rework ciMethod::equals following 8338471

[Vladimir Kozlov]

On Wed, 25 Sep 2024 22:52:18 GMT, Dean Long <dlong at openjdk.org> wrote:

>Yes, we can change cha_monomorphic_target to nullptr instead of bailing out. But my understanding is any use of old/redefined methods will cause the compilation to be thrown out when we try to create the nmethod, so we are avoiding wasted work by bailing out early.

Good point.

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PR Comment: https://git.openjdk.org/jdk/pull/21148#issuecomment-2375478186