15d886a502
`FlowSnapshot` now tracks a `reachable` bool, which indicates whether we have encountered a terminal statement on that control flow path. When merging flow states together, we skip any that have been marked unreachable. This ensures that bindings that can only be reached through unreachable paths are not considered visible. ## Test Plan The new mdtests failed (with incorrect `reveal_type` results, and spurious `possibly-unresolved-reference` errors) before adding the new visibility constraints. --------- Co-authored-by: Carl Meyer <carl@astral.sh>
Markdown files within the mdtest/ subdirectory are tests of type inference and type checking;
executed by the tests/mdtest.rs integration test.
See crates/red_knot_test/README.md for documentation of this test format.