gh-107265: Fix code_hash for ENTER_EXECUTOR case

Author: corona10

Lib/test/test_capi/test_misc.py

@@ -2341,7 +2341,7 @@ def long_loop():
             long_loop()
             self.assertEqual(opt.get_count(), 10)
 
-    def test_code_richcompare(self):
+    def test_code_restore_for_ENTER_EXECUTOR(self):
         def testfunc(x):
             i = 0
             while i < x:
@@ -2350,7 +2350,9 @@ def testfunc(x):
         opt = _testinternalcapi.get_counter_optimizer()
         with temporary_optimizer(opt):
             testfunc(1000)
-            self.assertEqual(testfunc.__code__, testfunc.__code__.replace())
+            code, replace_code  = testfunc.__code__, testfunc.__code__.replace()
+            self.assertEqual(code, replace_code)
+            self.assertEqual(hash(code), hash(replace_code))
 
 
 def get_first_executor(func):

Objects/codeobject.c

@@ -1884,9 +1884,20 @@ code_hash(PyCodeObject *co)
     SCRAMBLE_IN(Py_SIZE(co));
     for (int i = 0; i < Py_SIZE(co); i++) {
         int deop = _Py_GetBaseOpcode(co, i);
-        SCRAMBLE_IN(deop);
-        SCRAMBLE_IN(_PyCode_CODE(co)[i].op.arg);
-        i += _PyOpcode_Caches[deop];
+        if (deop == ENTER_EXECUTOR) {
+            // Assume that deopt of ENTER_EXECUTOR will be ENTER_EXECUTOR.
+            const int exec_index = _PyCode_CODE(co)[i].op.arg;
+            _PyExecutorObject *exec = co->co_executors->executors[exec_index];
+            assert(exec != NULL);
+            SCRAMBLE_IN(exec->vm_data.opcode);
+            SCRAMBLE_IN(exec->vm_data.oparg);
+            i += _PyOpcode_Caches[exec->vm_data.opcode];
+        }
+        else {
+            SCRAMBLE_IN(deop);
+            SCRAMBLE_IN(_PyCode_CODE(co)[i].op.arg);
+            i += _PyOpcode_Caches[deop];
+        }
     }
     if ((Py_hash_t)uhash == -1) {
         return -2;