Update conditional compilation for tail-call labels

Author: clin1234

Tools/cases_generator/tier1_generator.py

@@ -204,7 +204,7 @@ def generate_tier1_labels(
     # Emit tail-callable labels as function defintions
     for name, label in analysis.labels.items():
         if name == 'stop_tracing':
-            emitter.emit("#if _Py_TAIL_CALL_INTERP\n")
+            emitter.emit("#if _Py_TAIL_CALL_INTERP && !defined(_Py_TIER2)\n")
             emitter.emit("Py_GCC_ATTRIBUTE((unused))\n")
             emitter.emit("#endif\n")
         emitter.emit(f"LABEL({name})\n")