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gh-94438: in frameobject's mark_stacks, add explicit case for CACHE opcodes which leaves the stack unchanged #94586

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gh-94438: in frameobject's mark_stacks, add explicit case for CACHE opcodes which leaves the stack unchanged #94586

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5 changes: 5 additions & 0 deletions Objects/frameobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -220,6 +220,11 @@ mark_stacks(PyCodeObject *code_obj, int len)
}
opcode = _Py_OPCODE(code[i]);
switch (opcode) {
case CACHE:
{
stacks[i+1] = stacks[i];
break;
}
case JUMP_IF_FALSE_OR_POP:
case JUMP_IF_TRUE_OR_POP:
case POP_JUMP_FORWARD_IF_FALSE:
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