RFR: 8346778: Enable native access should work with the source launcher

[Maurizio Cimadamore]

On Mon, 6 Jan 2025 16:35:59 GMT, Christian Stein <cstein at openjdk.org> wrote:

> Please review this change request enabling native access in source launch mode when using a modular setup.
> 
> The change comes in two parts:
> 1. Prevent warnings of unknown modules being emitted from module bootstrap for user module not being present in the boot layer: `java.c` and `ModuleBootstrap.java`
> 2. Enable native access in source module(s) and also user modules on the module path as requested by `--enable-native-access` via the `ModuleLayer.Controller` API - and emit warning for unknown modules: `MemoryContext.java`
> 
> _Testing of tier1..3 is in progress..._

What happens if the user specifies `--enable-native-access=ALL-UNNAMED` ?

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PR Comment: https://git.openjdk.org/jdk/pull/22930#issuecomment-2578359780