[jdk21u-dev] RFR: 8325613: CTW: Stale method cleanup requires GC after Sweeper removal

[Aleksey Shipilev]

On Mon, 18 Mar 2024 09:55:26 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to improve CTW testing times.
> 
> Additional testing:
>  - [x] Ad-hoc CTW time measurements for `java.base` demonstrate the same improvements as in mainline
>  - [x] Linux x86_64 server fastdebug, large CTW runs pass with this patch applied
>  - [x] MacOS AArch64 server fastdebug, `applications/ctw/modules` passes

GHA test failures are environmental.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/370#issuecomment-2003782811