[jdk8u-dev] RFR: 8346465: Add a check in setData() to restrict the update of Built-In ICC_Profiles

[Jan Kratochvil]

On Sat, 6 Sep 2025 20:38:02 GMT, Jan Kratochvil <jkratochvil at openjdk.org> wrote:

> Built-in singleton ICC_Profiles could be modified using setData(). Throw an exception for such an attempt.
> A testcase is included.
> It is not a clean backport - it has to change return switch expressions to their old format and there are also other 2 minor conflicts.
> This backport is authored by Anton Voznia, I am only submitting it. Anton Voznia is an Azul employee so he should be covered by Azul OCA. Anton Voznia has not signed a personal OCA from Oracle.
> It requires https://github.com/openjdk/jdk8u-dev/pull/692 as a prerequisite.

The CI errors are false positives, they are the same as unpatched sources tested in: https://github.com/jankratochvil/jdk8u-dev/pull/1

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PR Comment: https://git.openjdk.org/jdk8u-dev/pull/693#issuecomment-3270226385