[jdk24] RFR: 8345259: Disallow ALL-MODULE-PATH without explicit --module-path

[Severin Gehwolf]

On Fri, 20 Dec 2024 13:25:43 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

> Clean backport of [JDK-8345259](https://bugs.openjdk.org/browse/JDK-8345259) to JDK 24 which has JEP 493.

Thanks for the review. I'll wait until #22972 is reviewed and ready as well so as to make the window with test failures as small as possible.

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PR Comment: https://git.openjdk.org/jdk/pull/22849#issuecomment-2577946561