Fix FT

Author: Fidget-Spinner

Python/bytecodes.c

@@ -5229,7 +5229,7 @@ dummy_func(
                 ERROR_IF(err < 0);
                 DISPATCH_GOTO_NON_TRACING();
             }
-            // Super instructions. Instruction deopted, There's a mismatch in what the stack expects
+            // Super instructions. Instruction deopted. There's a mismatch in what the stack expects
             // in the optimizer. So we have to reflect in the trace correctly.
             if ((tstate->interp->jit_state.prev_instr->op.code == CALL_LIST_APPEND &&
                 opcode == POP_TOP) ||
@@ -5470,17 +5470,17 @@ dummy_func(
             assert(exit != NULL);
             _Py_CODEUNIT *target = _PyFrame_GetBytecode(frame) + exit->target;
             _Py_BackoffCounter temperature = exit->temperature;
-            if (!backoff_counter_triggers(temperature)) {
-                exit->temperature = advance_backoff_counter(temperature);
-                GOTO_TIER_ONE(target);
-            }
             _PyExecutorObject *executor;
             if (target->op.code == ENTER_EXECUTOR) {
                 PyCodeObject *code = _PyFrame_GetCode(frame);
                 executor = code->co_executors->executors[target->op.arg];
                 Py_INCREF(executor);
             }
             else {
+                if (!backoff_counter_triggers(temperature)) {
+                    exit->temperature = advance_backoff_counter(temperature);
+                    GOTO_TIER_ONE(target);
+                }
                 _PyExecutorObject *previous_executor = _PyExecutor_FromExit(exit);
                 assert(tstate->current_executor == (PyObject *)previous_executor);
                 int chain_depth = previous_executor->vm_data.chain_depth + 1;

Python/ceval_macros.h

@@ -355,7 +355,11 @@ GETITEM(PyObject *v, Py_ssize_t i) {
 #define RECORD_BRANCH_TAKEN(bitset, flag)
 #endif
 
-#define RECORD_DYNAMIC_JUMP_TAKEN() tstate->interp->jit_state.dynamic_jump_taken = true;
+#if _Py_TIER2
+#   define RECORD_DYNAMIC_JUMP_TAKEN() tstate->interp->jit_state.dynamic_jump_taken = true;
+#else
+#   define RECORD_DYNAMIC_JUMP_TAKEN()
+#endif
 
 #define UNBOUNDLOCAL_ERROR_MSG \
     "cannot access local variable '%s' where it is not associated with a value"