[lworld] RFR: 8377467: [lworld] More defensive assertion guards for array layouts and properties

[Paul Hübner]

On Fri, 13 Feb 2026 12:32:02 GMT, Paul Hübner <phubner at openjdk.org> wrote:

> Hi all,
> 
> This change hardens our assertions and fixes a bug. 
> 
> Testing: tiers 1-3.

src/hotspot/share/classfile/fieldLayoutBuilder.cpp line 104:

> 102: 
> 103:   if (lk != LayoutKind::REFERENCE) {
> 104:     assert(lk != LayoutKind::BUFFERED, "Sanity check");

I'm not sure if this is 100% correct. As far as I know we don't use BUFFERED when building the layout but I could be mistaken, and my tests pass. Let me know!

-------------

PR Review Comment: https://git.openjdk.org/valhalla/pull/2103#discussion_r2804083622