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gh-107265: Fix _PyFrame_OpAlreadyRan for ENTER_EXECUTOR case #111645

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20 changes: 17 additions & 3 deletions Objects/frameobject.c
Original file line number Diff line number Diff line change
Expand Up @@ -1090,13 +1090,27 @@ static int
_PyFrame_OpAlreadyRan(_PyInterpreterFrame *frame, int opcode, int oparg)
{
// This only works when opcode is a non-quickened form:
assert(opcode != ENTER_EXECUTOR);
assert(_PyOpcode_Deopt[opcode] == opcode);
int check_oparg = 0;
for (_Py_CODEUNIT *instruction = _PyCode_CODE(_PyFrame_GetCode(frame));
PyCodeObject *code = _PyFrame_GetCode(frame);
for (_Py_CODEUNIT *instruction = _PyCode_CODE(code);
instruction < frame->instr_ptr; instruction++)
{
int check_opcode = _PyOpcode_Deopt[instruction->op.code];
check_oparg |= instruction->op.arg;
int check_opcode = -1;
if (instruction->op.code == ENTER_EXECUTOR) {
int exec_index = instruction->op.arg;
_PyExecutorObject *exec = code->co_executors->executors[exec_index];
check_opcode = _PyOpcode_Deopt[exec->vm_data.opcode];
check_oparg |= exec->vm_data.oparg;
}
else {
check_opcode = _PyOpcode_Deopt[instruction->op.code];
check_oparg |= instruction->op.arg;
}

assert(check_opcode != ENTER_EXECUTOR);

if (check_opcode == opcode && check_oparg == oparg) {
return 1;
}
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