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3752fa77 - Remove SkipCodeRecursiveException and RecompileLimitExceeded, add frame_exec_strategy attribute (#171358)

Remove SkipCodeRecursiveException and RecompileLimitExceeded, add frame_exec_strategy attribute (#171358) Summary: Replace exception-based control flow pattern with attribute-based approach for SkipCodeRecursiveException and RecompileLimitExceeded. Instead of using specific exception types for control flow, add a frame_exec_strategy attribute to TorchDynamoException that allows exceptions to optionally specify how convert_frame should handle them. Benefits: - Cleaner separation of concerns (exceptions for errors, attributes for control flow) - More flexible - any exception can specify a frame execution strategy - Easier to extend - no need for new exception types for new strategies - Better type safety with isinstance(e, exc.TorchDynamoException) check Changes: - torch/_dynamo/exc.py: * Add frame_exec_strategy attribute to TorchDynamoException with documentation * Remove SkipCodeRecursiveException and RecompileLimitExceeded classes - torch/_dynamo/convert_frame.py: * Remove imports of removed exception classes * Replace isinstance checks with frame_exec_strategy attribute check * Set frame_exec_strategy on Unsupported exception in recompile limit handler X-link: https://github.com/pytorch/pytorch/pull/171358 Approved by: https://github.com/Lucaskabela, https://github.com/guilhermeleobas ghstack dependencies: #170587 Reviewed By: clee2000 Differential Revision: D89940827 fbshipit-source-id: afbaf97ec745211ea0aed6cd59807bb60cda95b3