JDK-8331505 : [lworld] Support flat arrays of nullable value elements
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: repo-valhalla
  • Priority: P3
  • Status: Closed
  • Resolution: Duplicate
  • Submitted: 2024-05-01
  • Updated: 2025-05-30
  • Resolved: 2025-05-30
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repo-valhallaResolved
Related Reports
Duplicate :  
JDK-8345995 - [lworld] Flat arrays need to be redesigned to support new flat layouts
Description
After JDK-8331006 which introduces (limited) nullable flat fields, similar feature should be added to flat arrays.
Several design are possible to implement flat arrays of nullable value elements, and the changes are likely to require a significant rework of the FlatArrayKlass, with the need to support multiple kinds of layouts / format, each with its own access protocols.