Jeong, YunWon caf8d55da5 Bytecode parity - folding, class prologue, except cleanup ...

Constant folding:
- Add string/bytes multiply and bytes concat folding in IR
- Add constant subscript folding (str, bytes, tuple indexing)
- Delegate list/set constant folding to IR passes
- Stream big non-const list/set via BUILD+LIST_APPEND

Class/generic compilation:
- Reorder class body prologue: __type_params__ before __classdict__
- Build class function before .generic_base in generic classes
- Register .type_params/.generic_base symbols in proper scopes
- Use load_name/store_name helpers for synthetic variables

Return block handling:
- Only duplicate return-None epilogues, not arbitrary returns
- Add inline_pop_except_return_blocks pass
- Add duplicate_named_except_cleanup_returns pass

Other fixes:
- Fix eliminate_dead_stores to only collapse adjacent duplicates
- Skip STORE_FAST_LOAD_FAST superinstruction in generators after FOR_ITER
- Thread jumps through NOP-only blocks
- Transfer NOP line info to following unconditional jumps
- Extract scope_needs_conditional_annotations_cell helper
- Register __conditional_annotations__ for module future annotations

2026-04-18 15:17:56 +09:00

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