Fix and optimize _GUARD_CODE_VERSION_*

Author: Fidget-Spinner

Include/internal/pycore_optimizer_types.h

@@ -140,6 +140,7 @@ typedef struct _Py_UOpsAbstractFrame {
     int stack_len;
     int locals_len;
     bool caller; // We have made a call from this frame during the trace
+    bool known_callee;
     PyFunctionObject *func;
     PyCodeObject *code;