[jdk21u-dev] Integrated: 8180450: secondary_super_cache does not scale well

[Andrew Haley]

On Thu, 24 Oct 2024 10:10:45 GMT, Andrew Haley <aph at openjdk.org> wrote:

> See [8180450](https://github.com/openjdk/jdk/pull/18309) for a full description of how this works.
> This is a pretty clean backport, but a few files had to be fiddled manually because things had been added nearby.
> 
> This PR also includes a fix for [[8337958](https://bugs.openjdk.org/browse/JDK-8337958)](https://bugs.openjdk.org/browse/JDK-8337958), which was a minor bug in the original commit.
> 
> For a justification of why this PR should be backported to JDK 21u, see 
> [Franz's email](https://mail.openjdk.org/pipermail/jdk-updates-dev/2024-October/038649.html).

This pull request has now been integrated.

Changeset: ef282b75
Author:    Andrew Haley <aph at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/ef282b75bbc233704d9b76d741973ee3d03d30c6
Stats:     1763 lines in 36 files changed: 1714 ins; 20 del; 29 mod

8180450: secondary_super_cache does not scale well
8337958: Out-of-bounds array access in secondary_super_cache

Reviewed-by: adinn
Backport-of: f11a496de61d800a680517457eb43b078a633953

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

PR: https://git.openjdk.org/jdk21u-dev/pull/1090