RFR: 8289943: Simplify some object allocation merges [v10]

Fri Sep 30 17:33:35 UTC 2022

On Wed, 28 Sep 2022 18:14:26 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

> And I will submit performance runs.

Performance results are mixed bag. Saw some improvements on x64 in Renaissance but they gone after rerun.
I see some significant regression in Dacapo on Linux Aarch64 (Ampere CPU) but don't see it at all on MacOS M1.

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

PR: https://git.openjdk.org/jdk/pull/9073