On Fri, 11 Sep 2026 21:23:29 GMT, Leonid Mesnik <[email protected]> wrote:
> The flattened arrays might have different layout an thus different size. > > So it makes sense to update GC.class_histogram report to reflect this. > > The layout is not printed for plain reference-based arrays. > > Here is the example of new output: > > 23: 1 8208 > [LClassHistogramFlattenedArrayTest$TestClassNA; [flat, nullable, atomic] > 40: 1 4112 > [LClassHistogramFlattenedArrayTest$TestClassNRA; [flat, null-restricted, > atomic] > 41: 1 4112 > [LClassHistogramFlattenedArrayTest$TestClassNRNA; [flat, null-restricted, > non-atomic] > > For plain reference arrays it should be the same, like: > 42: 1 4112 > [LClassHistogramFlattenedArrayTest$TestClass; > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). This pull request has now been integrated. Changeset: 795909c8 Author: Leonid Mesnik <[email protected]> URL: https://git.openjdk.org/jdk/commit/795909c86ef82cc4dfad18860b6125bae7618bb1 Stats: 103 lines in 3 files changed: 99 ins; 0 del; 4 mod 8389457: GC.class_histogram reports duplicate rows for refined array layouts Reviewed-by: dsimms, sspitsyn ------------- PR: https://git.openjdk.org/jdk/pull/32845
