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bpo-44570: Fix line tracing for forwards jumps to duplicated tails (GH-27068)

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Mark Shannon 2021-07-08 19:21:09 +01:00 • committed by GitHub
parent 91a8f8c16c
commit da6414f0ac
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2 changed files with 37 additions and 4 deletions
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6
Python/ceval.c
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@ -5476,10 +5476,8 @@ maybe_call_line_trace(Py_tracefunc func, PyObject *obj,
int lastline = _PyCode_CheckLineNumber(instr_prev*2, &tstate->trace_info.bounds);
int line = _PyCode_CheckLineNumber(frame->f_lasti*2, &tstate->trace_info.bounds);
if (line != -1 && frame->f_trace_lines) {
/* Trace backward edges or first instruction of a new line */
if (frame->f_lasti < instr_prev ||
(line != lastline && frame->f_lasti*2 == tstate->trace_info.bounds.ar_start))
{
/* Trace backward edges or if line number has changed */
if (frame->f_lasti < instr_prev || line != lastline) {
result = call_trace(func, obj, tstate, frame, PyTrace_LINE, Py_None);
}
}