RFR: 8298471: Parallel: Don't keep alive nmethods in Young GC

[Stefan Karlsson]

On Fri, 9 Dec 2022 13:35:09 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Small change to skip marking nmethods during scavenging.
> 
> Test: hotspot_gc

Looks good

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Marked as reviewed by stefank (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11609