RFR: 8305753: Allow JIT compilation for -Xshare:dump

[Ioi Lam]

On Wed, 18 Oct 2023 07:28:47 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Is the current use of `-Xint` documented? I'm not seeing how you are communicating this change to the user. To be honest this seems like it is aimed at Leyden, and as such probably belongs over there rather than in mainline.

There is benefit for the mainline. For example, dumping a static archive for Eclipse in the fastdebug build speeds up from 35 seconds to 13 seconds. Also, enabling this in mainline testing can ensure that we don't do anything in the static dump that's incompatible with the JIT.

The fact that `-Xint` is always used in static dump is not documented. To communicate this change, we can add a release note.

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PR Comment: https://git.openjdk.org/jdk/pull/16233#issuecomment-1768969840