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Mikhail Efimov
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gh-125038: CHECK_ITER instruction removed, use GET_ITER instead
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‎Doc/library/dis.rst

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@@ -1370,10 +1370,6 @@ iterations of the loop.
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.. versionchanged:: 3.12
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Up until 3.11 the iterator was popped when it was exhausted.
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.. opcode:: CHECK_ITER
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Check that ``STACK[-1]`` is an :term:`iterator`.
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.. opcode:: LOAD_GLOBAL (namei)
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Loads the global named ``co_names[namei>>1]`` onto the stack.

‎Include/internal/pycore_magic_number.h

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@@ -260,7 +260,6 @@ Known values:
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Python 3.14a1 3606 (Specialize CALL_KW)
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Python 3.14a1 3607 (Add pseudo instructions JUMP_IF_TRUE/FALSE)
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Python 3.14a1 3608 (Add support for slices)
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Python 3.14a1 3609 (Add CHECK_ITER instruction)
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Python 3.15 will start with 3650
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@@ -273,7 +272,7 @@ PC/launcher.c must also be updated.
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*/
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#define PYC_MAGIC_NUMBER 3609
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#define PYC_MAGIC_NUMBER 3608
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/* This is equivalent to converting PYC_MAGIC_NUMBER to 2 bytes
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(little-endian) and then appending b'\r\n'. */
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#define PYC_MAGIC_NUMBER_TOKEN \

‎Include/internal/pycore_opcode_metadata.h

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‎Include/internal/pycore_uop_ids.h

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‎Include/internal/pycore_uop_metadata.h

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‎Include/opcode_ids.h

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