Fix tail calling interpreter

Author: markshannon

Python/bytecodes.c

@@ -5677,6 +5677,7 @@ dummy_func(
             }
             DISPATCH_GOTO_NON_TRACING();
 #else
+            (void)prev_instr;
             Py_FatalError("JIT instruction executed in non-jit build.");
 #endif
         }