Use exact sequence-type guards and preserve generic fallback diagnostics. Validate both cold and warmed expressions without implementation-specific assertions. Reject stale CPython source checkouts and cross-version library caches.
Assisted-by: OpenAI Codex:model identifier unavailable
Preserve reverse multiplication syntax and native exact overflow diagnostics. Accept the two source-proven CPython 3.15 specialization messages only in affected reverse str/bytes/tuple cases. Use an actually out-of-range Windows datetime errno fixture. Remove the sysconfig check_home argument at its existing canonical 3.15 removal test boundary.
Assisted-by: OpenAI Codex:model identifier unavailable
* Added Tests for Bitwise or, and, xor type error
* Sync binary operator order comment with actual implementation
* Check operand types in bool or, and, xor to be PyInt
PyNumber methods are expected to type check both arguments.
Dispatch is not done by inverting parameter order for __r<op>__ (example __ror__) when calls are handled via PyNumberMethods
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