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gh-91719: Reload opcode on unknown error so that C can optimize the dispatching in ceval.c (GH-94364) (#94453)

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(cherry picked from commit ea39b77de9)

Co-authored-by: neonene <53406459+neonene@users.noreply.github.com>
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Miss Islington (bot) 2022-06-30 09:11:05 -07:00 • committed by GitHub
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commit fdc008138e
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Python/ceval.c
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@ -5661,6 +5661,9 @@ handle_eval_breaker:
#else
EXTRA_CASES // From opcode.h, a 'case' for each unused opcode
#endif
/* Tell C compilers not to hold the opcode variable in the loop.
next_instr points the current instruction without TARGET(). */
opcode = _Py_OPCODE(*next_instr);
fprintf(stderr, "XXX lineno: %d, opcode: %d\n",
_PyInterpreterFrame_GetLine(frame), opcode);
_PyErr_SetString(tstate, PyExc_SystemError, "unknown opcode");