remove unecessary setting of prev_instr in _Py_call_instrumentation_jump

iritkatriel · iritkatriel · commit 909de93d3159 · 2023-09-07T15:43:04.000+01:00
diff --git a/Python/instrumentation.c b/Python/instrumentation.c
@@ -1058,7 +1058,6 @@ _Py_call_instrumentation_jump(
            event == PY_MONITORING_EVENT_BRANCH);
     assert(frame->prev_instr == instr);
     /* Event should occur after the jump */
-    frame->prev_instr = target;
     PyCodeObject *code = _PyFrame_GetCode(frame);
     int to = (int)(target - _PyCode_CODE(code));
     PyObject *to_obj = PyLong_FromLong(to * (int)sizeof(_Py_CODEUNIT));
@@ -1071,12 +1070,10 @@ _Py_call_instrumentation_jump(
     if (err) {
         return NULL;
     }
-    if (frame->prev_instr != target) {
+    if (frame->prev_instr != instr) {
         /* The callback has caused a jump (by setting the line number) */
         return frame->prev_instr;
     }
-    /* Reset prev_instr for INSTRUMENTED_LINE */
-    frame->prev_instr = instr;
     return target;
 }
 
