Shunsuke Shibayama 0e5577ab56 [ty] fix lazy snapshot sweeping in nested scopes (#19908) ...

## Summary

This PR closes astral-sh/ty#955.

## Test Plan

New test cases in `narrowing/conditionals/nested.md`.

2025-08-14 17:52:52 -07:00

..

boolean.md

[ty] Reachability constraints (#18621)

2025-06-17 09:24:28 +02:00

elif_else.md

[ty] Improve disjointness inference for NominalInstanceTypes and SubclassOfTypes (#18864)

2025-06-24 20:27:37 +00:00

eq.md

[ty] Expansion of enums into unions of literals (#19382)

2025-07-21 19:37:55 +02:00

in.md

Rename Red Knot (#17820)

2025-05-03 19:49:15 +02:00

is_not.md

[ty] Expansion of enums into unions of literals (#19382)

2025-07-21 19:37:55 +02:00

is.md

[ty] Expansion of enums into unions of literals (#19382)

2025-07-21 19:37:55 +02:00

nested.md

[ty] fix lazy snapshot sweeping in nested scopes (#19908)

2025-08-14 17:52:52 -07:00

not.md

Rename Red Knot (#17820)

2025-05-03 19:49:15 +02:00