4% regression in SPECjvm2008-Derby-ZGC on linux-aarch64 in 23.0.1-b3.

Regression has been narrowed down using CI builds to: jjdk-23.0.1+3-16
which is the integration of:
     jpg-sec/jdk23u-cpu

There are too many changesets in the integration to isolate further.

As this is SPECjvm benchmark, setting initial Comp/Sub to hotspot/compiler - which may ultimately be incorrect/