Revert "Allow (non-assert) type predicates to narrow by discriminant"…#57795

Merged

RyanCavanaugh merged 1 commit intorelease-5.4from

cherry-pick/57750/release-5.4

Mar 15, 2024

Commits on Mar 15, 2024

Revert "Allow (non-assert) type predicates to narrow by discriminant" (#57750)
gabritto
committed