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

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neonene 2022-07-01 00:38:29 +09:00 • committed by GitHub
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Python/ceval.c
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@ -5706,6 +5706,9 @@ 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");