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gh-128955: Fix goto if tlbc creation fails when throwing into a generator (#128957)

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We don't have the correct copy of the bytecode and can't update next_instr
appropriately, so just unwind.
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mpage 2025-01-17 12:53:29 -08:00 • committed by GitHub
parent d95ba9fa11
commit 13c4def692
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Python/ceval.c
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@ -846,7 +846,7 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
_Py_CODEUNIT *bytecode = _Py_CODEUNIT *bytecode =
_PyEval_GetExecutableCode(tstate, _PyFrame_GetCode(frame)); _PyEval_GetExecutableCode(tstate, _PyFrame_GetCode(frame));
if (bytecode == NULL) { if (bytecode == NULL) {
goto error; goto exit_unwind;
} }
ptrdiff_t off = frame->instr_ptr - _PyFrame_GetBytecode(frame); ptrdiff_t off = frame->instr_ptr - _PyFrame_GetBytecode(frame);
frame->tlbc_index = ((_PyThreadStateImpl *)tstate)->tlbc_index; frame->tlbc_index = ((_PyThreadStateImpl *)tstate)->tlbc_index;