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Avoid checked-build assertion for open Nullable assignability - #135208

Merged

jkotas merged 6 commits into

mainfrom

copilot/fix-assert-failure-in-casthelpers

Oct 6, 2026

Merged

Avoid checked-build assertion for open Nullable assignability#135208
jkotas merged 6 commits into
mainfrom
copilot/fix-assert-failure-in-casthelpers

Commits on Oct 5, 2026
- Initial plan
  Copilot
  authored
  a0b94d6
- Add failing open nullable regression cases
  
  Copilot
  and
  jkotas
  authored
  a70e694
- Use TypeHandle for nullable generic arguments
  
  Copilot
  and
  jkotas
  authored
  49db6d7
- Make nullable instantiation verification debug-only
  
  Copilot
  and
  jkotas
  authored
  d6e6dcd
- Remove nullable instantiation FCall and defer descriptor check
  
  Copilot
  and
  jkotas
  authored
  ad36678
- Merge branch 'main' into copilot/fix-assert-failure-in-casthelpers
  jkotas
  authored
  7e29a29