RFR: 8328480: C2: SubTypeCheckNode in checkcast should use the klass constant of a unique concrete sub class [v2]

Wed Apr 3 14:28:00 UTC 2024

On Wed, 3 Apr 2024 14:15:20 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

> Should we go back to the previously suggested version without CastPP?

Isn't there a risk with that one too? if `superklass` is a `TypeNode` and its input changes to a constant for instance.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/18515#discussion_r1549862737