RFR: 8340801: Disable ubsan checks in some awt/2d coding

[Matthias Baesken]

On Tue, 8 Oct 2024 10:54:09 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>The UBSan functionality is well supported, as such, in the build system. As you say, actually building and running a JDK with 
> UBSan functionality is not trivial. This just means that we are unlikely to e.g. run it continuously on our CI

We are running it for some weeks now at least once a week in our central builds/tests  (so far only on Linux x86_64).
If you have a recent SUSE or Ubuntu ubsan works nicely with OpenJDK .  But I haven't checked on all popular distros.
In the past we had just too many ubsan-related issues in the OpenJDK codebase that even hindered doing a build, but this situation has improved a lot over the last months.

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PR Comment: https://git.openjdk.org/jdk/pull/21184#issuecomment-2399644216