Summary
- improved version of #14229 (details)
- fix done; add tests (details)
- fix comment (details)
- extract instance_unshared and update comments (details)
| The file was modified | typing/typecore.ml (diff) | 
| The file was added | testsuite/tests/typing-gadts/existential_as_pattern.ml | 
| The file was modified | Changes (diff) | 
| The file was modified | testsuite/tests/typing-gadts/existential_as_pattern.ml (diff) | 
| The file was modified | typing/typecore.ml (diff) | 
| The file was modified | typing/typecore.ml (diff) | 
| The file was modified | Changes (diff) | 
| The file was modified | typing/typecore.ml (diff) |