[red-knot] Support overloads for callable equivalence #17698
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* main: [red-knot] Use 'full' salsa backtrace output that includes durability and revisions (#17735) [red-knot] Initial support for protocol types (#17682) [red-knot] Computing a type ordering for two non-normalized types is meaningless (#17734) [red-knot] Include salsa backtrace in check and mdtest panic messages (#17732) [red-knot] Fix control flow for `assert` statements (#17702) [red-knot] Fix recording of negative visibility constraints (#17731) [red-knot] Update salsa (#17730) [red-knot] Support overloads for callable equivalence (#17698) [red-knot] Run py-fuzzer in CI to check for new panics (#17719) Upload red-knot binaries in CI on completion of linux tests (#17720) [`flake8-use-pathlib`] Fix `PTH123` false positive when `open` is passed a file descriptor from a function call (#17705)
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Summary
Part of #15383, this PR adds
is_equivalent_tosupport for overloaded callables.This is mainly done by delegating it to the subtyping check in that two types A and B are considered equivalent if A is a subtype of B and B is a subtype of A.
Test Plan
Add test cases for overloaded callables in
is_equivalent_to.md