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Every async for iteration compiled to GET_ANEXT; PUSH_NULL; LOAD_CONST None; SEND. GET_ANEXT is always followed by that pair, so let it push (aiter, awaitable, NULL, None) itself, saving two dispatches per iteration. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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GET_ANEXTwas always followed byPUSH_NULL; LOAD_CONST Noneto set up the stack forSEND. It now pushes(aiter, awaitable, NULL, None)itself, so eachasync foriteration (including async comprehensions and async generator expressions) runsGET_ANEXT; SEND.🤖 Generated with Claude Code