RFR: 8308869: C2: use profile data in subtype checks when profile has more than one class [v5]

[Roland Westrelin]

On Mon, 19 Jun 2023 11:44:22 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> `testlibrary_tests/ir_framework/tests/TestIRMatching.java` still fails: `Failed IR Rules (21) of Methods (8)`:

Thanks for running testing again. Hopefully the new commit fixes `TestIRMatching.java` for good.

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PR Comment: https://git.openjdk.org/jdk/pull/14375#issuecomment-1597089696