[lworld] RFR: 8377327: [lworld] SA tests fail with --enable-preview

[Paul Hübner]

On Fri, 6 Feb 2026 18:29:23 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This set of SA tests fail because SA tries to parse field layouts.  With Valhalla there is new field info in the field stream, which is used when --enable-preview is used since some fields are flattened.  This adds minimal support for that.
> 
> Tested with tier1-4.

test/hotspot/jtreg/serviceability/sa/TestInstanceKlassSize.java line 70:

> 68:                                                 "java.lang.String",
> 69:                                                 "java.lang.Thread",
> 70:                                                 "java.lang.Byte"

Can we introduce a TestInlineKlassSize which adds a regression test for byte? I don't mind if this is done as a follow-up.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/2064#discussion_r2781802585